Add necessary permissions for UserIdManager

UserIdManager requires that the package that invokes PhotoPickerActivity
(MediaProviderTests package in this case) should have necesarry
cross-user permissions.

Bug: 168785304
Test: atest PhotoPickerSingleSelectTest does not fail with cross-user
permissions. (fails with some other issues)

Change-Id: I728f6354a448be0e9e5050462a2727fae4ef4f8e
Merged-In: I728f6354a448be0e9e5050462a2727fae4ef4f8e
(cherry picked from commit 8c4eadc25403c1e5819c36ea87e5831f2959e0f0)
1 file changed