AudioService: remove dead code

Remove dead code related to media button event receiver and
  remote control display, now handled by MediaSession*

Change-Id: I4bd621240ddddf4df079df8d551c72b232c3301d
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 6e44d77..40908f1 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -236,6 +236,8 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/target/common/obj/framework.aidl)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/DocumentsUI_intermediates)
+$(call add-clean-step, rm -f $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/media/java/android/media/IRemoteControlClient.*)
+$(call add-clean-step, rm -f $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/media/java/android/media/IRemoteControlDisplay.*)
 
 # ******************************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST ABOVE THIS BANNER