am 703aae06: Merge "RTP: Fix non-zero DC in EchoSuppressor caused while aggregating samples." into gingerbread

Merge commit '703aae06c0925b19657877bb1872bb2f28874969' into gingerbread-plus-aosp

* commit '703aae06c0925b19657877bb1872bb2f28874969':
  RTP: Fix non-zero DC in EchoSuppressor caused while aggregating samples.