Merge changes from topic "Codec2 Move"

* changes:
  Make Codec2 documentation modules public
  Make seccomp_policy files for C2 service public
tree: 9a87b1969fa5ae05057ac3e10b1046c8a1d75588
  1. codec2/
  2. hooks/
  3. media/
  4. Android.bp
  5. OWNERS