View already checks if its layout is being updated when calling
notifyEnterOrExitForAutoFillIfNeeded(), but that doesn't prevent apps crashing
when the autofill process was triggered by another view.
Test: existing CtsAutoFillServiceTestCases pass
Fixes: 38198484
change-Id: I8e9435ddc4cf21fb648d39aace93f3af0e1fdf4f