CCodec: DummyContainerBuffer to point to non-null memory

MediaPlayer2 checks raw pointer even from dummy buffers, so the
base pointer should be non-null.

Test: atest CtsMediaTestCases:MediaPlayer2Test
Change-Id: Id8fb68878857108744f087f5d7cd5c70a2cec9f9
1 file changed
tree: f4b7853efc7f7dd8871e79bde88da136e3d3cfd3
  1. codec2/
  2. hooks/
  3. media/
  4. Android.bp
  5. OWNERS