Add filter for Robolectric pilot tests

- Added RoboPilotTest as test filter to group all the pilot tests that
are running in parallel with Device tests. This can help make ATP
filtering easier.
- Added a few newly added test to run also in robolectric

Bug: 266753629
Test: atest SystemUiRoboTests
Change-Id: I1fed9dd7ca77b31ed2ab2ba442ece0160c5d96e6