Snap for 7538072 from 1367a0bf332b096e9c303343e5d1eee99cb40936 to mainline-media-swcodec-release

Change-Id: I821bfb7550c9dce16dbd7581fb553402c88a25d3
tree: a7b4be1fe409a535df1b7c9755fc128a86e2eeda
  1. libbacktrace/
  2. libunwindstack/
  3. OWNERS
  4. PREUPLOAD.cfg