Clean spec to deal with rename of auto_fill to autofill

Fixes a local build failure I was having.

Test: N/A
Change-Id: I0ad770e96e0a4d72a7d538ebc1ba0b19de5996c7

CleanSpec.mk

@@ -242,7 +242,7 @@ $(call add-clean-step, rm -f $(OUT_DIR)/target/common/obj/APPS/FeatureSplit1_int
 $(call add-clean-step, rm -f $(OUT_DIR)/target/common/obj/APPS/FeatureSplit2_intermediates/src/com/android/test/split/feature/R.java)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/core/java/android/hardware)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/core/java/android/os/storage/*)
-
+$(call add-clean-step, rm -rf $(OUT_DIR)/host/common/obj/JAVA_LIBRARIES/platformprotos_intermediates)
 # ******************************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST ABOVE THIS BANNER
 # ******************************************************************