Summary:
Got this error when trying to run instrumentation tests locally with `./scripts/run-android-local-integration-test.sh`

```
C:\Users\janic\Developer\react-native\ReactAndroid\src\androidTest\java\com\facebook\react\tests\DatePickerDialogTestCase.java:110: error: cannot access com.facebook.react.modules.core.DefaultHardwareBackBtnHandler
    return (DialogFragment) getActivity().getSupportFragmentManager()
                                         ^
  class file for com.facebook.react.modules.core.DefaultHardwareBackBtnHandler not found
C:\Users\janic\Developer\react-native\ReactAndroid\src\androidTest\java\com\facebook\react\tests\ViewRenderingTestCase.java:82: error: cannot access com.facebook.react.touch.ReactInterceptingViewGroup
    assertEquals("Incorrect (or not applied) opacity", expectedOpacity, view.getAlpha());
                                                                            ^
  class file for com.facebook.react.touch.ReactInterceptingViewGroup not found
C:\Users\janic\Developer
Closes https://github.com/facebook/react-native/pull/7575

Differential Revision: D3306330

fbshipit-source-id: a6d8afd060b54d56f9e2b97f45b642d7b7f46209