Keyguard: fix chopped keyguard on hdpi MSim devices

Both the CarrierText and MSimCarrierText were in the View, taking
additional space. Remove CarrierText from the view in case of MSim.

Change-Id: I803695044d06470ef9af59863ba92444e41488f5
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_frameworks_base into android-4.4