BREAKING CHANGE:
AndroidTransitionType is now a static member of the Transition class.
BEFORE:
```
import { AndroidTransitionType } from '@nativescript/core/ui/transition';
```
AFTER:
```
import { Transition } from '@nativescript/core';
Transition.AndroidTransitionType.enter; // etc.
```
That way we dont “unload” and “load” fragments.
This fixes black screens and slow transitions with opengl or cameras
# Conflicts:
# packages/core/ui/frame/fragment.transitions.android.ts
# packages/core/ui/frame/frame-common.ts
# packages/core/ui/frame/index.android.ts