Merge d478e6b35e6bfe6acf3edd08d447d10aedc3015d on remote branch

Change-Id: I54669fb0959fe423072ec07e0907b095212ebf9b
tree: 9a04c4b47088f1ee462288ea57bfc2e5e9227056
  1. bthost_ipc/
  2. libbt-vendor/
  3. tools/
  4. Android.mk
  5. CleanSpec.mk