[RESTRICT AUTOMERGE] Check permission of Autofill icon URIs

* SaveUI's template
* Inline Suggestions slices

Fixes: b/286235483
Fixes: b/292104015

Test: atest CtsAutoFillServiceTestCases
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:91fb94942778c8907575a0eed674187dde854a5b)
Merged-In: I48879174664b70ced90492bb0991dc91cbf89b79
Change-Id: I48879174664b70ced90492bb0991dc91cbf89b79