Re-enable Android e2e test

Summary:
Tests were temporarily disabled in https://github.com/facebook/react-native/pull/11894

This should fix them and has landed: https://github.com/facebook/react-native/pull/11896

**Test Plan**

CircleCI tests on this PR. If they pass, merge this.
Closes https://github.com/facebook/react-native/pull/11918

Differential Revision: D4421029

Pulled By: bestander

fbshipit-source-id: 80761a3bfe59ee73deeea4dc174d7e5233b54461