Missing break in switch statement

Change-Id: I462c0c5fec96a850032266b04419ec409ad02174
Revert "SystemUI: apply alpha value to all layouts."

This reverts commit c9ac84dccf60a2c8a39b4877cb6bb8b063c90986.
Add support for NETWORK_TYPE_GSM

NETWORK_TYPE_GSM is mapping in ServicState.java so and not in TelephonyManager.java;
so when application queries for getVoiceNetworkType()
and currently camped rat is GSM, they get network mode as GSM.

Change-Id: I20e05de7dc76771f129260f094061e87f2062929
Fix preference puts with "null" values.

Null values were being written out as <null /> elements in the
XML prefs file (as expected). This allowed the getFoo() functions
to work correctly because they treated null values as missing mappings
but containsKey would fail.

bug: https://code.google.com/p/android/issues/detail?id=64563
Change-Id: I1f466d01db96bf26e208d4fed3a6f257228bea5d
frameworks/base: added national roaming for BSNL in India

http://jira.omnirom.org/browse/OMNI-391

Change-Id: I81e54f301a70300ff7d2e873480b197c58bbdb8a
frameworks/base: added national roaming for Noverca in Italia

http://jira.omnirom.org/browse/OMNI-377

Change-Id: I1b792244e97114a648efb40c6d01ea0c595cafdd
frameworks/base: added national roaming for Saunalahti in Finland

http://jira.omnirom.org/browse/OMNI-413

Change-Id: I24ec8993dd83fb18efd3f19ae39e845b4701f9dd