TeleService: Refactor sim name / sim label logic

Change-Id: I63a0a2f4d03b91289354cd9d6b51495cd622f760
TeleService: (MSIM) Avoid crashes when clicking actionbar home

Change-Id: I9cded9536cb7a6d4b709b0a70cc2628d2d8c9bda
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_packages_services_Telephony into android-4.4_new