Merge pi-dev-plus-aosp-without-vendor into stage-aosp-master
am: da121a9cb6

Change-Id: I170403485acb4a36a4c57a7393f0e646cf86f8c8
tree: 7ef2783cc1c7ceb2904e517216ecf3ad05ec7527
  1. prebuilt/
  2. Android.mk
  3. CleanSpec.mk
  4. README