New sounds for K.

AudioPackage12 uses the new sounds (specifically the default
versions at 44.1kHz); device-specific makefiles can elect to
use the 48k versions instead by including
AudioPackage12_48.mk.

Bug: 9454760
Change-Id: If714fc4b98f6700163f08c92a6376f28f9616382
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 797d088..026cb37 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -180,6 +180,7 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/usr/keylayout/frameworks)
 $(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/)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************