Restore old StorageManager permission check

The old permission check cannot be removed because apps with
targetSDK < T should still have access to the wallpaper with
READ_EXTERNAL_STORAGE. It will be removed once all apps are required to
update their SDK to level 33 (T).

Bug: 274268760
Test: atest NoWallpaperPermissionsTest
Test: atest CtsDevicePolicyManagerTestCases
Change-Id: I1db76ea99f0ed9a4d04eda6b339deecc405ee750