Update comments about depending on the tools/objc:compile_protos and tools/objc:proto_support targets, which is no longer true.

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MOS_MIGRATED_REVID=135007852

src/main/java/com/google/devtools/build/lib/rules/objc/BazelJ2ObjcProtoAspect.java

diff --git a/src/main/java/com/google/devtools/build/lib/rules/objc/BazelJ2ObjcProtoAspect.java b/src/main/java/com/google/devtools/build/lib/rules/objc/BazelJ2ObjcProtoAspect.java
index 24fbb74..b7c028f 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/objc/BazelJ2ObjcProtoAspect.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/objc/BazelJ2ObjcProtoAspect.java
@@ -28,9 +28,9 @@
 import com.google.devtools.build.lib.packages.AspectDefinition;
 
 /**
- * An aspect that transpiles .proto dependencies using the J2ObjC proto plugin,
- * //tools/objc:compile_protos and //tools/objc:proto_support. N.B.: These two tools
- * have not yet been released into open-source.
+ * An aspect that transpiles .proto dependencies using the J2ObjC proto plugin
+ * and //tools/objc:standalone_protoc. N.B.: This tool has not yet been released into
+ * open-source.
  */
 public class BazelJ2ObjcProtoAspect extends AbstractJ2ObjcProtoAspect {
   public static final String NAME = "BazelJ2ObjcProtoAspect";