Put soundpooled sounds in the right place.

Bug: 10846839
Change-Id: I5318c2d54ea0e25fa74bbafc35fb4f7a2883b351
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 026cb37..c5c7fe3 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -181,6 +181,7 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/usr/keychars/frameworks)
 $(call add-clean-step, rm -f $(PRODUCT_OUT)/system/media/video/*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/media/audio/)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/media/audio/effects/)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************