am 1933782f: Remove kickback/talkback/soundback from SDK.

Merge commit '1933782fc0a1ec2bddaf0b851b2fa32994e2d3fe' into eclair

* commit '1933782fc0a1ec2bddaf0b851b2fa32994e2d3fe':
  Remove kickback/talkback/soundback from SDK.