STE-OMX Fix Streaming Video

-Don't store metadata in buffers. We don't support that at all.

Change-Id: I8cafed3e425d822e710d97971b2501ee75bbd069
STE-OMX-getSupportedProfileLevel-fix

Change-Id: I87d6874f70aaf803f59920986f125cbe30d78084
ACodec: don't configure software encoders/decoders.

-Not sure if this is correct in principal, but in practice every time
I have seen this called on a software dec/enc, it dies. I have also
seen multiple, stackoverflow queries that tring to create and
instance of MediaCodec (software dec/enc) fails, probably because
of what this fixes.

Change-Id: I819b3a22bc74bf8b7b27326c1bf906653ba439d8