msm8226-common: media_codecs: remove h263/h264/mp4v-es ffmpeg entries

Codecs covered by OMX.google (and whitelisted by the ffmpeg extractor)
shouldn't be assigned to other software decoders as well.

Change-Id: I41ff3195e0f6c10f6e27c1e2786e15a734bcefac
Update audio_platform_info for extended format

Change-Id: I555ee06c15e250652dc1071f0ff901c14b83cb1c