Adding additional variety to sound set 7

Change-Id: I3f8c806258e47dc3b78ce81fd582722753573b54
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 6ae887b..5ec9645 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -113,6 +113,7 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/media/audio/)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/fonts/Lohit_Hindi.ttf)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/media/audio/)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/media/audio/)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************