Add a default MMS UA Profile URL

Companion change to I8a648014873319ea0d0f1089495d6777b8a1b8bf,
config_mms_user_agent_profile_url can't be empty either

Change-Id: Ib6b34972439818da47c389377664e75263dfd21b
cdma: Remove ERI overlays

These aren't quite stable yet, back them out for now

Change-Id: Icc3e0f4ef3b97e573ab93139fe064c0bba1702fa