Move deprecated --android_sdk flag to the graveyard.

PiperOrigin-RevId: 682001805
Change-Id: I8e2180fc998496323dd894d25941ca88b72a44ca

src/main/java/com/google/devtools/build/lib/bazel/rules/BazelRulesModule.java

@@ -380,6 +380,15 @@ public static final class BazelBuildGraveyardOptions extends BuildGraveyardOptio
             + " https://blog.bazel.build/2023/11/15/android-platforms.html for details and"
             + " migration directions";
 
+    @Option(
+        name = "android_sdk",
+        defaultValue = "",
+        documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
+        effectTags = {OptionEffectTag.UNKNOWN},
+        help = "No-op",
+        deprecationWarning = ANDROID_FLAG_DEPRECATION)
+    public String sdk;
+
     @Option(
         name = "android_cpu",
         defaultValue = "",

src/main/java/com/google/devtools/build/lib/rules/android/AndroidConfiguration.java

@@ -235,22 +235,6 @@ public static class Options extends FragmentOptions {
                 + "'off' means that all libraries will be linked in mostly static mode.")
     public DynamicMode dynamicMode;
 
-    // Label of filegroup combining all Android tools used as implicit dependencies of
-    // android_* rules
-    // TODO(blaze-configurability): Mark this as deprecated in favor of --android_platforms.
-    @Option(
-        name = "android_sdk",
-        defaultValue = "null",
-        converter = LabelConverter.class,
-        documentationCategory = OptionDocumentationCategory.TOOLCHAIN,
-        effectTags = {
-          OptionEffectTag.CHANGES_INPUTS,
-          OptionEffectTag.LOADING_AND_ANALYSIS,
-          OptionEffectTag.LOSES_INCREMENTAL_STATE,
-        },
-        help = "Specifies Android SDK/platform that is used to build Android applications.")
-    public Label sdk;
-
     // TODO(bazel-team): Maybe merge this with --android_cpu above.
     // TODO(blaze-configurability): Mark this as deprecated in favor of --android_platforms.
     @Option(