287 [firebase_database] Support v2 android embedder.

1266 [firebase_analytics] Support Android v2 embedding

1295 [firebase_storage] Support Android v2 embedding

1369 Upgrade in-app-messaging to plugin api v2

1370 Upgrade crashlytics to v2 plugin API

1372 [firebase_dynamic_links] support v2 embedding

2142 [Connectivity] migrate to the new android embedding

2152 [battery] Support the v2 Android embedder

2155 [in_app_purchase] migrate to the v2 android embedding

2156 [Share] Support v2 android embedder.

2157 [url_launcher] Migrate to the new embedding