[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:36875556fca3a0e9715d1cbd6cebff8e5720b2a0)
Merged-In: I48879174664b70ced90492bb0991dc91cbf89b79
Change-Id: I48879174664b70ced90492bb0991dc91cbf89b79