chore(bazel): update protobuf to v3.21.7 (googleapis#307)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 477955264

Source-Link: https://togithub.com/googleapis/googleapis/commit/a724450af76d0001f23602684c49cd6a4b3a5654

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/4abcbcaec855e74a0b22a4988cf9e0eb61a83094
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNGFiY2JjYWVjODU1ZTc0YTBiMjJhNDk4OGNmOWUwZWI2MWE4MzA5NCJ9

java-appengine-admin/proto-google-cloud-appengine-admin-v1/src/main/java/com/google/appengine/v1/ApiConfigHandler.java

@@ -57,80 +57,6 @@ public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
     return this.unknownFields;
   }
 
-  private ApiConfigHandler(
-      com.google.protobuf.CodedInputStream input,
-      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    this();
-    if (extensionRegistry == null) {
-      throw new java.lang.NullPointerException();
-    }
-    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
-        com.google.protobuf.UnknownFieldSet.newBuilder();
-    try {
-      boolean done = false;
-      while (!done) {
-        int tag = input.readTag();
-        switch (tag) {
-          case 0:
-            done = true;
-            break;
-          case 8:
-            {
-              int rawValue = input.readEnum();
-
-              authFailAction_ = rawValue;
-              break;
-            }
-          case 16:
-            {
-              int rawValue = input.readEnum();
-
-              login_ = rawValue;
-              break;
-            }
-          case 26:
-            {
-              java.lang.String s = input.readStringRequireUtf8();
-
-              script_ = s;
-              break;
-            }
-          case 32:
-            {
-              int rawValue = input.readEnum();
-
-              securityLevel_ = rawValue;
-              break;
-            }
-          case 42:
-            {
-              java.lang.String s = input.readStringRequireUtf8();
-
-              url_ = s;
-              break;
-            }
-          default:
-            {
-              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
-                done = true;
-              }
-              break;
-            }
-        }
-      }
-    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-      throw e.setUnfinishedMessage(this);
-    } catch (com.google.protobuf.UninitializedMessageException e) {
-      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
-    } catch (java.io.IOException e) {
-      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
-    } finally {
-      this.unknownFields = unknownFields.build();
-      makeExtensionsImmutable();
-    }
-  }
-
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     return com.google.appengine.v1.AppYamlProto
         .internal_static_google_appengine_v1_ApiConfigHandler_descriptor;
@@ -386,7 +312,7 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(url_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 5, url_);
     }
-    unknownFields.writeTo(output);
+    getUnknownFields().writeTo(output);
   }
 
   @java.lang.Override
@@ -411,7 +337,7 @@ public int getSerializedSize() {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(url_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, url_);
     }
-    size += unknownFields.getSerializedSize();
+    size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
   }
@@ -431,7 +357,7 @@ public boolean equals(final java.lang.Object obj) {
     if (!getScript().equals(other.getScript())) return false;
     if (securityLevel_ != other.securityLevel_) return false;
     if (!getUrl().equals(other.getUrl())) return false;
-    if (!unknownFields.equals(other.unknownFields)) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
 
@@ -452,7 +378,7 @@ public int hashCode() {
     hash = (53 * hash) + securityLevel_;
     hash = (37 * hash) + URL_FIELD_NUMBER;
     hash = (53 * hash) + getUrl().hashCode();
-    hash = (29 * hash) + unknownFields.hashCode();
+    hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
   }
@@ -582,17 +508,10 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
     }
 
     // Construct using com.google.appengine.v1.ApiConfigHandler.newBuilder()
-    private Builder() {
-      maybeForceBuilderInitialization();
-    }
+    private Builder() {}
 
     private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
       super(parent);
-      maybeForceBuilderInitialization();
-    }
-
-    private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
     }
 
     @java.lang.Override
@@ -706,7 +625,7 @@ public Builder mergeFrom(com.google.appengine.v1.ApiConfigHandler other) {
         url_ = other.url_;
         onChanged();
       }
-      this.mergeUnknownFields(other.unknownFields);
+      this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
     }
@@ -721,17 +640,61 @@ public Builder mergeFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      com.google.appengine.v1.ApiConfigHandler parsedMessage = null;
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
       try {
-        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 8:
+              {
+                authFailAction_ = input.readEnum();
+
+                break;
+              } // case 8
+            case 16:
+              {
+                login_ = input.readEnum();
+
+                break;
+              } // case 16
+            case 26:
+              {
+                script_ = input.readStringRequireUtf8();
+
+                break;
+              } // case 26
+            case 32:
+              {
+                securityLevel_ = input.readEnum();
+
+                break;
+              } // case 32
+            case 42:
+              {
+                url_ = input.readStringRequireUtf8();
+
+                break;
+              } // case 42
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-        parsedMessage = (com.google.appengine.v1.ApiConfigHandler) e.getUnfinishedMessage();
         throw e.unwrapIOException();
       } finally {
-        if (parsedMessage != null) {
-          mergeFrom(parsedMessage);
-        }
-      }
+        onChanged();
+      } // finally
       return this;
     }
 
@@ -1262,7 +1225,18 @@ public ApiConfigHandler parsePartialFrom(
             com.google.protobuf.CodedInputStream input,
             com.google.protobuf.ExtensionRegistryLite extensionRegistry)
             throws com.google.protobuf.InvalidProtocolBufferException {
-          return new ApiConfigHandler(input, extensionRegistry);
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
         }
       };