Refactor frameworks-base-overlays.

Split debug packages out of frameworks-base-overlays. Add this
collection of packages to handheld_product instead of handheld_vendor
since they all have LOCAL_PRODUCT_MODULE set to true.

Bug: N/A
Test: make
Change-Id: I3384e15dac010d1329b4041658a8f4d64100edec
1 file changed