Include "emergency calls only" in disabled SIM strings.

This message appears in the QS footer when the SIM has been
disabled permanently (IccCardConstants.State.PERM_DISABLED).

Required in Australia, harmless elsewhere.

Test: runtest systemui
Bug: 109874640
Change-Id: Ib2b3fcf2bd84c54b61f0bd45fe0b83209d9c9bd0