This is actually the root fix for the crash; the fix in
772eff8ca6 didn't restrict it to 2 channels, just sanity
checked the file vs MAX_CHANNELS.
Change-Id: If5a0a9b946a179ad47d6e7955f7c025de3aaaa0e
Some flac encoded files contain junk that our decoder
picked up
upstream has some sign and overflow fixes too
Change-Id: I5857b2fe56906a48f04944cdfee8fe2306f2c3fd