DO NOT MERGE - Add CTS test for Settings.ACTION_REQUEST_SET_AUTOFILL_SERVICE

Test: atest android.autofillservice.cts.SettingsIntentTest

Fixes: 79529318
Bug: 79615759

Change-Id: I58a402534945b28b06373e6ce3586a63903e8725
Merged-In: I58a402534945b28b06373e6ce3586a63903e8725
(cherry picked from commit 40a157245445015307bc71b9d13b60afbc596eee)
(cherry picked from commit eb038272cbbd53f9f5c7abe4755fa88ef75c7948)
8 files changed