codec2: Codec2InfoBuilder rework

- no longer build OMX codecs as part of codec2 list
- move profile-level and color format getters to utility methods
- support separate XML entries for store-advertised aliases
- support rank specified in XML

Bug: 119631295
Change-Id: I3f0cc1ddfd96c1da469209c4d717d7130996a3f3
1 file changed