If [android_alarm_manager](https://github.com/flutter/plugins/tree/master/packages/android_alarm_manager) is being used, it will try to register all plugins at `Application.onCreate`, right? If so, [cloud_firestore](https://github.com/flutter/plugins/blob/master/packages/cloud_firestore/android/src/main/java/io/flutter/plugins/firebase/cloudfirestore/CloudFirestorePlugin.java#L80), [firebase_database](https://github.com/flutter/plugins/blob/master/packages/firebase_database/android/src/main/java/io/flutter/plugins/firebase/database/FirebaseDatabasePlugin.java#L55) and [in_app_purchase](https://github.com/flutter/plugins/blob/master/packages/in_app_purchase/android/src/main/java/io/flutter/plugins/inapppurchase/InAppPurchasePlugin.java#L73) will get a null reference to the activity, right?