Grant Shell SETUP_FSVERITY permission

The permission was recently added to a new API in V in order to limit
the initial launch scope from 3P apps. To keep CTS test coverage, grant
shell the permission.

Bug: 285185747
Test: atest android.security.cts.FileIntegrityManagerTest
Change-Id: I0f22aaef6b5d6418d4ea12557b1e81b3fa5eb7af