Reland "Upgrade Gradle and AGP versions to 7.5/7.2 and migrate benchmarks+examples" #108472 (#108510)

Revert "Reland "Upgrade Gradle and AGP versions to 7.5/7.2 and migrate benchmarks+examples" #108355 (#108472)" (#108488)

This reverts commit 1f8c490c.

Reland "Upgrade Gradle and AGP versions to 7.5/7.2 and migrate benchmarks+examples" #108355 (#108472)

Revert "Reland "Upgrade Gradle and AGP versions to 7.5/7.2 and migrate benchmarks+examples" (#108355)" (#108407)

This reverts commit c4b3625d.

This reverts commit ca6cecf0.

This reverts commit 2b0255f0.

* 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.

* opt out the flutter tool

* oops EOF

* fix import

* Update tool_backend.dart

* Update daemon_client.dart

* fix more

This reverts commit 8e73bab9.

Prefer using `.of()` (which is statically type-checked) over
`.from()` (which is dynamically type-checked) when possible.

* Usage dependency injection

* Review edits

* unnecessary escapes fixes

* replace some strings with raw strings

* update regexp

* address review comments