Move default sounds to /product

The set of audio files is frequently customized, so move the default
set to /product. The frameworks scans both of these directories.

Bug: 80410283
Bug: 118826166
Test: verify sounds available in soundpicker
Change-Id: I3bfc71b46eb64b4d4614b62c65fb8821bf1c271a
Merged-In: I3bfc71b46eb64b4d4614b62c65fb8821bf1c271a
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 6deda0c..d8f80c5 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -248,6 +248,7 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/framework/com.android.location.provider.jar)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/framework/com.android.future.usb.accessory.jar)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/framework/com.android.media.remotedisplay.jar)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/media/audio)
 # ******************************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST ABOVE THIS BANNER
 # ******************************************************************