* changes: Move frame validation logic for deferTransactionUntil. Handle surfaceInset changes with deferred transactions. Various pinned animation bug fixes. Nuke WindowState#mShownPosition. Rework mXOffset/mYOffset.
* changes: Move frame validation logic for deferTransactionUntil. Handle surfaceInset changes with deferred transactions. Various pinned animation bug fixes. Nuke WindowState#mShownPosition. Rework mXOffset/mYOffset.