Add gmd

[AndreSand]

Thanks for submitting a pull request. Please include the following information.

What I have done and why Include a summary of what your pull request contains, and why you have made these changes. Add GMD back

• Using AGP 8.4.1
• Using Gradle wrapper to 8.7

https://github.com/android/nowinandroid/issues/1107

Fixes #1107

Do tests pass?

• [X] Run local tests on DemoDebug variant: ./gradlew testDemoDebug
• [X] Check formatting: ./gradlew --init-script gradle/init.gradle.kts spotlessApply

Is this your first pull request?

• [x] Sign the CLA
• [x] Run ./tools/setup.sh
• [x] Import the code formatting style as explained in the setup script.

[JoseAlcerreca]

@AndreSand please update the description of the PR

[Jaehwa-Noh]

There's no chance GMD to covers the lower API. https://developer.android.com/studio/test/gradle-managed-devices

This feature, available for API levels 27 and higher,

I think we should remain the androidTest for lower api.