Allow registering for supplementary service notifications.

Change-Id: Id40d320cb6935ddf4cceefa8ddb42f9229b66efa
Fix restoring network mode preference on reboot

When a user sets the option to use only 2G networks (for GSM networks) or its
equivalent for CDMA networks, each reboot erases that setting. That forces
the user to re-select the same option after each boot.
This (very simple) patch fixes it.

Ported from CM9:
http://review.cyanogenmod.org/#/c/16245/

Change-Id: I7ec9e155fed9f57934d7a73936f2bf425c8297fe
Reset data stall watch dog after doing recovery

Without resetting data stall watch dog, one data
stall will lead to radio reset if there is no
data traffic after doing recovery.

Change-Id: Icc7b1e7f160cd0c8910f7132d7c2fea0d29803e5
Signed-off-by: Bin Li <libin@marvell.com>
Telephony: Correct the typo in RIL.java

Change-Id: Ic4bcd054f14d7e4b702b924f799e4d1619b666e0