Fix potental incremental build failure with
leftover RS generated files.

Change-Id: I4b2ed98372ac9caba61ff6622b26f1bb1b435df0
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 1cc8e33..c7bd9fd 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -85,6 +85,7 @@
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/android_stubs_current_intermediates/src/com/trustedlogic)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/core/java/com/trustedlogic)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/android_stubs_current_intermediates/src/com/trustedlogic)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/target/common/obj/APPS/Music2_intermediates)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST