Switch ARM platform toolchain to GCC 4.8.

Change-Id: If08cfb2b9d86c08d3b658470440242b0af4d9916
diff --git a/CleanSpec.mk b/CleanSpec.mk
index a424cb7..5adb42d 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -200,6 +200,12 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/SprintDM.apk)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/omadm)
 
+# GCC 4.8
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/STATIC_LIBRARIES)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/EXECUTABLES)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/lib/*.o)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************