1. Use AndroidJunit4 instead of RobolectricTestRunner
2. Use ApplicationProvider instead of RuntimeEnvironment to get context
3. Change Copy Right
4. Run the NetworkDashboardFragment on the Main thread
Bug: 168000627
Test: atest -c NetworkDashboardFragmentTest
Change-Id: I6d10737b9ac8299f2d7c847a9fdb1c3bdc4e390d