Grant permissions for PermissionsTest on AOSP without test orchestrator

[davidjiagoogle]

Test orchestrator doesn't seem to exist on AOSP. If there is a way to refactor PermissionsTest to give permissions to individual tests, we should do it (on AOSP, not Github)

[davidjiagoogle]

https://cs.android.com/android/platform/superproject/main/+/main:prebuilts/misc/common/androidx-test/androidx/test/orchestrator/