Run android emulator on ubuntu build agent #797

Job	Run time
jobEmulatorMatrixSetup	1m 28s
build-ios	40m 21s
build-js	4m 40s
build-android (:firebase-analytics:gradleManagedDeviceDebugAndroidTest --no-parallel --max-worker...	2m 54s
build-android (:firebase-app:gradleManagedDeviceDebugAndroidTest --no-parallel --max-workers=1 -P...	5m 1s
build-android (:firebase-auth:gradleManagedDeviceDebugAndroidTest --no-parallel --max-workers=1 -...	4m 18s
build-android (:firebase-config:gradleManagedDeviceDebugAndroidTest --no-parallel --max-workers=1...	5m 11s
build-android (:firebase-crashlytics:gradleManagedDeviceDebugAndroidTest --no-parallel --max-work...	4m 13s
build-android (:firebase-database:gradleManagedDeviceDebugAndroidTest --no-parallel --max-workers...	5m 24s
build-android (:firebase-firestore:gradleManagedDeviceDebugAndroidTest --no-parallel --max-worker...	5m 22s
build-android (:firebase-messaging:gradleManagedDeviceDebugAndroidTest --no-parallel --max-worker...	4m 7s
build-android (:firebase-perf:gradleManagedDeviceDebugAndroidTest --no-parallel --max-workers=1 -...	4m 32s
build-android (:firebase-storage:gradleManagedDeviceDebugAndroidTest --no-parallel --max-workers=...	5m 43s
	1h 33m 14s

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