The decoder wrapper is no longer needed. Also disable building old-style decoders.

Change-Id: Ie022f1a6dffe619c1b0385aa13f63e097282cfe4
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 50292e4..b19bed0 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -97,7 +97,7 @@
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/core/java/android/hardware/IUsbManager.java)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/core/java/android/nfc)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates)
-
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libstagefright_intermediates)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************