am 1d9c5d8: (-s ours) Reconcile with jb-mr0-release jb-release - do not merge

* commit '1d9c5d8f18b7530c1e72fe86109707cddc198dbd':
  Revert "Update Back softkey icon Bug: 6020915"
  DO NOT MERGE GestureDetector - Mask action when checking POINTER_UP
  DO NOT MERGE Remove dead code
  DO NOT MERGE - Use focal point for scrolling in GestureDetector
  DO NOT MERGE - New implementation for ScaleGestureDetector
  Fix CDMA decoding of multipart UTF-16 SMS messages.

Author: The Android Open Source Project