[Android] Catch exception onMove

[boldtrn]

This is an exception that showed up in our Crashlytics log.

Fatal Exception: java.lang.Error: latitude must not be NaN
       at com.mapbox.mapboxsdk.maps.NativeMapView.nativeMoveBy(NativeMapView.java)
       at com.mapbox.mapboxsdk.maps.NativeMapView.moveBy(NativeMapView.java:248)
       at com.mapbox.mapboxsdk.maps.Transform.moveBy(Transform.java:314)
       at com.mapbox.mapboxsdk.maps.MapGestureDetector$MoveGestureListener.onMove(MapGestureDetector.java:493)
       at com.mapbox.android.gestures.MoveGestureDetector.analyzeMovement(MoveGestureDetector.java:158)
       at com.mapbox.android.gestures.MultiFingerGesture.analyzeEvent(MultiFingerGesture.java:106)
       at com.mapbox.android.gestures.ProgressiveGesture.analyzeEvent(ProgressiveGesture.java:55)
       at com.mapbox.android.gestures.MoveGestureDetector.analyzeEvent(MoveGestureDetector.java:141)
       at com.mapbox.android.gestures.BaseGesture.analyze(BaseGesture.java:61)
       at com.mapbox.android.gestures.BaseGesture.onTouchEvent(BaseGesture.java:39)
       at com.mapbox.android.gestures.AndroidGesturesManager.onTouchEvent(AndroidGesturesManager.java:193)
       at com.mapbox.mapboxsdk.maps.MapGestureDetector.onTouchEvent(MapGestureDetector.java:218)
       at com.mapbox.mapboxsdk.maps.MapView.onTouchEvent(MapView.java:523)

[wipfli]

Thanks for opening this pull request, @boldtrn. Do you know if there are unit tests where we could check that the library does the right thing even if distanceX is not a number?

[boldtrn]

There are unit tests, I am not 100% sure if we can reproduce this error with the unit tests.