Converted Biometric tests to Robolectric tests

Added TestWithLooperRule to replace AndroidTestingRunner.
Converted some tests to run in parallel as Robolectric tests.

Bug: 267340313
Fix: 269478124
Test: atest SystemUiRoboTests
      atest SystemUITests
Change-Id: Ib2e1edfee4ecb45501f5cc42f1b63c9326d2faa4