* Cover OverlayManager with unit tests
* Add e2e to test Overlay unmount

* Assign commandId to async commands

* CommandListener refactor

Pull listener out of Navigator and implement NativeCommandListener for native commands

* Emit onNavigationEvent when commands complete

* Rename timestamp to completionTime

* Rename NavigationEvent to EventEmitter

* Rename sendOnNavigationButtonPressed to emitOnNavigationButtonPressed

* Emit navigationEvent on bottom tab select

* rebase fix

* Emit commandCompleted event instead of nativeEvent

* fix native ios commands

* wait show and dismiss Overlay

* 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
*

* Initial overlay implementation on Android

* Move logic to touch delegate

* Implement dismiss Overlay

* Overlay e2e

* fix iOS e2e