Trigger autofill service when a text field's text is set by the application.

Some apps have an payment screen with a scan card button.
When a text field's text is set in this scenario, the autofill
service is never triggered because no field gets focused.

Currently this new behavior is implemented for normal view.
Add the check logic in these two functions of AutofillManager
(notifyValueChanged/notifyViewVisibilityChanged)
to check if it should trigger autofill automatically.

Bug: 142821537
Test: atest CtsAutoFillServiceTestCases
Change-Id: Ibde94791f49772dc19cb8566a9c3a48dfbf16a58