LC3: support VX_AUDIO_FORMAT_LC3 in audio format

Added support for VX_AUDIO_FORMAT_LC3 to maintain
backward compatibility for vendor freeze targets

Bug: 187391898
CRs-Fixed: 2934167
Test: m
Change-Id: I9c25205cae9825c9d5a00dd5c07b566c957f3656
1 file changed