Google Sign-In 7.1.0-fac-beta-1.1.0

• Beta release supporting Firebase App Check tokens used
  to establish your application's integrity while signing in with Google
• Adds privacy manifest support released in v7.1.0
• Internal
  • Check integration test for presubmit instruction (#368)
  • Test skip integration key (#374)
  • Add Privacy Manifest to App Check Release Branch (#392)
  • Add return type to init in GIDFakeFetcherService header