Moar autofill fixes.

- FillEventHistoryTest: wait for activity before checking it's focused.
- VirtualContainerActivityTest: use assumeTrue to skip some compat mode tests.

Test: atest CtsAutoFillServiceTestCases
Bug: 37566627

Change-Id: I1a4d426c7b9b1553e5833b4dc2016ef51bb85987
2 files changed