Settings: move getFormattedSimName() to frameworks (1/2)

Conflicts:
        res/values/cm_strings.xml
        src/com/android/settings/DataUsageSummary.java
        src/com/android/settings/MultiSimSettings.java
        src/com/android/settings/SelectSubscription.java

Signed-off-by: Roman Birg <roman@cyngn.com>

Change-Id: I6925ac82a777c15fcb6b8ada37ef79dd31ce77dd