Wifi mainline module needs some permissions which are currently only
granted to signature components. Since mainline modules are not going to
be signed with OEM's signature, we need a new protection level to grant
some of these permissions to the wifi mainline APK.
Bug: 142234604
Test: Verified that wifi can get INTERACT_ACROSS_USERS_FULL permission
Change-Id: I26b0edff62497b5e08c2f2f504b0cd5f950682ad
73266f2f64