i9082: force set voice volume every call

hopefully fix low call volume some users are complaining about

Change-Id: I60606dc5b6443c46b42e426c539b63591aa41901
i9082: fix non-looping ringtones ringing only once

Non-looping ringtones (e.g. "Digital Phone") needs UNSOL_CALL_RING
to work properly.

Change-Id: I9a4ca61c927dca26c038cf2e61080b1ffbeec24b
i9082: add ffmpeg codecs

Change-Id: Ifb9deacc02da25027c4dc3f586830bf2e2649095