Add generate_resource_class to android_studio_ide_info.proto.

This boolean matches bazel's semantics on whether a R.java class should
be generated. Android Studio generates its own in-memory class, but we
need to know *whether* we should generate one.

--
MOS_MIGRATED_REVID=108175802
diff --git a/src/main/protobuf/android_studio_ide_info.proto b/src/main/protobuf/android_studio_ide_info.proto
index 7516d9c..7c729f3 100644
--- a/src/main/protobuf/android_studio_ide_info.proto
+++ b/src/main/protobuf/android_studio_ide_info.proto
@@ -48,6 +48,7 @@
   string java_package = 7;
   bool has_idl_sources = 8;
   LibraryArtifact idl_jar = 9;
+  bool generate_resource_class = 10;
 }
 
 message AndroidSdkRuleInfo {