This change do the 2 things: 1. Add new junit tests files which replace robolectric RobolectricTestRunner & RuntimeEnvironment with AndroidX objects without problem. 2. Remove the robolectric test files which have it's new junit files. This change migrate 103 files, there are still 1209 files to go. Bug: 174728471 Test: atest make RunSettingsRoboTests Change-Id: I15ed3f4745b85862f720aabbf710ce1475aced93