Add Github CI step and action for building with Gradle #5049

Job	Run time
Validate Dagger version	10s
Gradle build	1m 12s
Bazel tests	5m 20s
Bazel build	3m 43s
Artifact Java local tests	3m 37s
Artifact verification tests	11m 2s
Test Hilt Gradle plugin	8m 22s
Artifact Android local tests (AGP 8.1.1)	11m 10s
Artifact Android emulator tests (API ${{ matrix.api-level }})	0s
Build Hilt Gradle plugin against latest AGP version	0s
Clean up GitHub Action caches	1s
Publish snapshot	1s
	44m 38s

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