Merge b4272e6022a35ea62a18d07e7e0da99bf98c27df on remote branch

Change-Id: I94e277e65e1f7308b4a734b86190d655f651dc2c
tree: b14f556bb7100d48425628c1d308ea678cc01248
  1. bthost_ipc/
  2. libbt-vendor/
  3. tools/
  4. Android.mk
  5. CleanSpec.mk