am 14592861: Merge change I3dafca18 into eclair-mr2

Merge commit '145928617af865e867f6f27e99173d2a756b9dfd' into eclair-mr2-plus-aosp

* commit '145928617af865e867f6f27e99173d2a756b9dfd':
  Enabling plugin surfaces to update their position in the UI.