* Initial orientation implementation on Android

* Disable custom animations for now

* FIx OverlayManager

Keep view references instead of View id as id's can change by react

* Work on ModalStack

* resolve dismissModal promise after dismiss ends
* Send didDisappear when Modal is displayed
* Send didAppear to root when Modal is dismissed
* Introduce new API:
  * onViewLostFocus
  * onViewRegainedFocus
* Fix MockPromise - it can be used only once
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