Revert "Revert "audio: New audio format for FLAC""

This reverts commit da19577643fa21faa3e85fef70cf8a4d7629a0b9.
Revert "Merge remote-tracking branch 'cm11/cm-11.0' into kk-4.4.3-caf"

This reverts commit 8d2ba17be97663e66823f6856e3ed475481b860a, reversing
changes made to 01231f3764bb2f2c420372455ec2153d05d2d28f.