This permits sharing of test components used in connectivity tests. Rename the MockLooper to TestLooper, reflecting that it is not a true mock, but a manually controlled Looper for use in tests. Bug: 28848133 Test: Tests consuming this library pass. Change-Id: I57e11f9544c7bffdb02739ab2a921512b1b11874 (cherry picked from commit 07630f6bd3dbc91e2622cedfd1a21822b5f1f4b5)