am 955ab37c: Merge "RTP: Enable GSM-EFR codec." into gingerbread

Merge commit '955ab37cee3b2c61e67a2f8ceca895b47f6a182c' into gingerbread-plus-aosp

* commit '955ab37cee3b2c61e67a2f8ceca895b47f6a182c':
  RTP: Enable GSM-EFR codec.