MSIM: Rework statusbar, order signal clusters to match settings

Settings have SIM 1 on left, then SIM 2, etc. Do the same in the
statusbar. Also show the sim slot number in front of each signal
cluster.

Change-Id: I6ce16870af6374958b09a8a9d7d6d510f4561e13
SystemUI: Don't try to translate SIM slot numbers

Change-Id: I9cbf8a04e04e363e11465516da7c7f1336c5c10a