Annotate integration cts test with AppModeFull

Tests are failing in instant mode. The tests shouldn't be running in
instant modes because the privileged permission and provider are not
available in the instant app environment.

Bug: 322823284
Test: atest CtsAutoFillServiceTestCases:android.autofillservice.cts.inline.InlineLoginMixedCredentialActivityTest --instant
Change-Id: Idfaec942d6b43ddd3b1d1a5ed73584304ae048f3