Make CarUiListItems secure

This is needed to pass
android.permission3.cts.PermissionTapjackingTest#testTapjackGrantDialog_partialOverlay,
which checks that overlaying the message in the permission dialog but
not the allow/deny buttons will cause the allow/deny buttons to
not be clickable.

Bug: 192088266
Test: atest CtsPermission3TestCases:android.permission3.cts.PermissionTapjackingTest
Change-Id: Iad108871fa0dfc502075358041cfd9dabd0f9354
1 file changed