Snap for 7375516 from 36e2f60274a90396711c3cf38af72a2175e152fd to sc-d1-release

Change-Id: Id8a05d40771a132af8f4d5c7a805e19502206a90
tree: 5582f8855f0f6341365d4f61a4b29885107cd8e2
  1. libbacktrace/
  2. libunwindstack/
  3. Android.bp
  4. OWNERS
  5. PREUPLOAD.cfg