2280 Add google_sign_in_web plugin.

Plugin: Android Alarm Manager

We added the ability to get id in the callback in the Android Alarm Manager plugin.

1985 [android_alarm_manager] Added ability to get id in the callback

Plugin: Android Intent

We made several improvements in the Android Intent plugin
including adding the ability to pass intent flags
(contributed by a community member!),
and upgrading it to the new plugin API.

2000 [android_intent] add flags option

2045 [android_intent] Add action_application_details_settings

2143 [android_intent] Migrate to the new embedding

2188 [android_intent] Bump the Flutter SDK min version

2202 [android_intent] componentName must be provided before resolveActivity is called