Merge 84afe44e1a2948f37674c6fd0dc89dbee57fef77 on remote branch

Change-Id: I17591e1c6ad3425746e53b9095034e396e7812e3
tree: 5c73d97753add2203b179007f6d10be64dd2097c
  1. libbt-vendor/
  2. Android.mk
  3. CleanSpec.mk