feat: Expose gapic & grpc clients for Datastore V1.

This is generated via the owl tool. Manual changes were made to the
grpc pom file, which failed to autogenerate and pom files changes
for new dependency on grpc.

google-cloud-datastore-bom/pom.xml

@@ -59,6 +59,11 @@
         <artifactId>proto-google-cloud-datastore-v1</artifactId>
         <version>0.96.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datastore-v1:current} -->
       </dependency>
+      <dependency>
+        <groupId>com.google.api.grpc</groupId>
+        <artifactId>grpc-google-cloud-datastore-v1</artifactId>
+        <version>2.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-datastore-v1:current} -->
+      </dependency>
     </dependencies>
   </dependencyManagement>
 

google-cloud-datastore/pom.xml

@@ -26,6 +26,10 @@
       <groupId>com.google.api.grpc</groupId>
       <artifactId>proto-google-cloud-datastore-v1</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.google.api.grpc</groupId>
+      <artifactId>grpc-google-cloud-datastore-v1</artifactId>
+    </dependency>
     <dependency>
       <groupId>com.google.cloud.datastore</groupId>
       <artifactId>datastore-v1-proto-client</artifactId>
@@ -34,6 +38,14 @@
       <groupId>io.grpc</groupId>
       <artifactId>grpc-api</artifactId>
     </dependency>
+    <dependency>
+      <groupId>io.grpc</groupId>
+      <artifactId>grpc-protobuf</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>io.grpc</groupId>
+      <artifactId>grpc-stub</artifactId>
+    </dependency>
     <dependency>
       <groupId>com.google.api</groupId>
       <artifactId>api-common</artifactId>
@@ -50,6 +62,10 @@
       <groupId>com.google.api</groupId>
       <artifactId>gax</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.google.api</groupId>
+      <artifactId>gax-grpc</artifactId>
+    </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
@@ -100,6 +116,13 @@
       <artifactId>easymock</artifactId>
       <scope>test</scope>
     </dependency>
+    <!-- Need testing utility classes for generated gRPC clients tests -->
+    <dependency>
+      <groupId>com.google.api</groupId>
+      <artifactId>gax-grpc</artifactId>
+      <classifier>testlib</classifier>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <build>