use the MetadataBufferType defined in frameworks/native

Change-Id: Ifb56622b7d0464e683882ef5b7c89e6dc5c8a097
Signed-off-by: Lajos Molnar <lajos@google.com>
mm-core: Add MediaDefs for new QC parsers

- Add MediaDefs for new QC parsers

Change-Id: I330ec98b83aff6564ec4bb1848fcf2f1b05eeba1