Snap for 4793185 from d87c2ee912a99b8e97f608139cf7bf98f6ae347c to pi-release

Change-Id: I55508e1cdfc4506ffe2c851a4bed4357ecc063cb
tree: f696a0dc2115747413b9be648bd67d9123b1d2d1
  1. libbt-vendor/
  2. Android.mk
  3. CleanSpec.mk