am e88192b9: Cleanup fixes for ScaleGestureDetector

Merge commit 'e88192b9d2a8c364d8545471907c5baa275bb5f6' into eclair-plus-aosp

* commit 'e88192b9d2a8c364d8545471907c5baa275bb5f6':
  Cleanup fixes for ScaleGestureDetector