feat(crashlytics): support "isEnabled()" on Android

### Plugin(s)

- [ ] Analytics
- [ ] App
- [ ] App Check
- [ ] Authentication
- [X] Crashlytics
- [ ] Cloud Firestore
- [ ] Cloud Messaging
- [ ] Performance
- [ ] Remote Config

### Current problem

Crashlytics is not yet available for Android.

### Preferred solution

Crashlytics inegration for Android.

### Alternative options

_No response_

### Additional context

_No response_