audio: Unhide PCM offload enums

Change-Id: Iab074ae64d293781769032cc902e72a93374679f
system: Update function to calculate bytes per sample for offload

Update function to calculate bytes per sample for offload format

Change-Id: I46b78024293be959ad5d1db1f583933d2ab14576
Merge remote-tracking branch 'SlimRoms_system_core/kk4.4-caf' into kk4.4-caf