Fix warning in `flutter create`d project ("package attribute is deprecated" in AndroidManifest) (#123426)

Fix warning in `flutter create`d project ("package attribute is deprecated" in AndroidManifest)

Fix Gradle warning in a freshly `flutter create`ed Android project

Revert "[integration_test] upgrade androidx test to 1.4.0"

[integration_test] upgrade androidx test to 1.4.0

Revert "Reland "Exit on deprecated v1 embedding when trying to run or build (#92901)" (#93386)" (#93518)

This reverts commit eabb7cbc.

It broke multiple tests.

This reverts commit 6153bbef.

This reverts commit 9038fac9.

This reverts commit 058dfd49.

* Revert "Mark last failing test after gradle update as flaky. (#91423)"

This reverts commit 46a52d03.

* Revert "fix android template for Gradle 7 (#91411)"

This reverts commit 51d06d53.

* Revert "Add explicit version for mac and windows openjdk. (#91408)"

This reverts commit bf429f27.

* Revert "Update the openjdk version used by linux android tests. (#91405)"

This reverts commit 2144ab8b.

* Revert "Migrate to Gradle 7.0.2 / AGP 7.0.1 (#90642)"

This reverts commit b6459f9b.

This reverts commit 8e73bab9.

This reverts commit 5b3dc525.

Update Android activities because plugin registration is now done by FlutterActivity.configureFlutterEngine (#50841)

* drop unnecessary test deps

* bump to junit 4.13

This reverts commit 1613a62e.