Merge cherrypicks of [4902694, 4902725, 4902587, 4902588, 4902761, 4902762] into pi-release-2

Change-Id: I87521f85b3b245dc82bdad4f1181d3ed7dbb9734
tree: 1d5c0af43a8014424a26e09b147166d2ef7feb92
  1. decoder/
  2. test/
  3. Android.bp
  4. LICENSE
  5. MODULE_LICENSE_APACHE2
  6. NOTICE
  7. OWNERS