[Android] Fail when mount and unmount the navigation

[zoolle]

I receive a bunch of same error logs when mounting unmounting the navigator

Mapbox error You're calling `cancelTransitions` after the `MapView` was destroyed, were you invoking it after `onDestroy()`? {"level": "error", "message": "You're calling `cancelTransitions` after the `MapView` was destroyed, were you invoking it after `onDestroy()`?", "tag": "Mbgl-NativeMapView"}
 ERROR  Mapbox error You're calling `jumpTo` after the `MapView` was destroyed, were you invoking it after `onDestroy()`? {"level": "error", "message": "You're calling `jumpTo` after the `MapView` was destroyed, were you invoking it after `onDestroy()`?", "tag": "Mbgl-NativeMapView"}
 ERROR  Mapbox error You're calling `getCameraValues` after the `MapView` was destroyed, were you invoking it after `onDestroy()`? {"level": "error", "message": "You're calling `getCameraValues` after the `MapView` was destroyed, were you invoking it after `onDestroy()`?", "tag": "Mbgl-NativeMapView"}
 ERROR  Mapbox error You're calling `cancelTransitions` after the `MapView` was destroyed, were you invoking it after `onDestroy()`? {"level": "error", "message": "You're calling `cancelTransitions` after the `MapView` was destroyed, were you invoking it after `onDestroy()`?", "tag": "Mbgl-NativeMapView"}
 ERROR  Mapbox error You're calling `jumpTo` after the `MapView` was destroyed, were you invoking it after `onDestroy()`? {"level": "error", "message": "You're calling `jumpTo` after the `MapView` was destroyed, were you invoking it after `onDestroy()`?", "tag": "Mbgl-NativeMapView"}
 ERROR  Mapbox error You're calling `getCameraValues` after the `MapView` was destroyed, were you invoking it after `onDestroy()`? {"level": "error", "message": "You're calling `getCameraValues` after the `MapView` was destroyed, were you invoking it after `onDestroy()`?", "tag": "Mbgl-NativeMapView"}
 ERROR  Mapbox error You're calling `cancelTransitions` after the `MapView` was destroyed, were you invoking it after `onDestroy()`? {"level": "error", "message": "You're calling `cancelTransitions` after the `MapView` was destroyed, were you invoking it after `onDestroy()`?", "tag": "Mbgl-NativeMapView"}
 ERROR  Mapbox error You're calling `jumpTo` after the `MapView` was destroyed, were you invoking it after `onDestroy()`? {"level": "error", "message": "You're calling `jumpTo` after the `MapView` was destroyed, were you invoking it after `onDestroy()`?", "tag": "Mbgl-NativeMapView"}
 ERROR  Mapbox error You're calling `getCameraValues` after the `MapView` was destroyed, were you invoking it after `onDestroy()`? {"level": "error", "message": "You're calling `getCameraValues` after the `MapView` was destroyed, were you invoking it after `onDestroy()`?", "tag": "Mbgl-NativeMapView"}

Any reason?

[engelzero]

@zoolle https://github.com/homeeondemand/react-native-mapbox-navigation/issues/2#issuecomment-763193599