Hot Swap support

Telephony: Introduce config item for Hot Swap support


When a Uicc Card is inserted or removed, Android pops up a prompt
to the user to reboot the device. This prompt is unnecessary if the
modem supports Hot Swapping of cards.

Introduce a new config item to indicate if the modem supports
hotswapping. Frameworks can then check this before propmting the
user
Hot Swap support
Add 24hr screen timeout, screen flashlight, fix hardware keys
'Enable SVDO.

Allow evdo/ehrpd + voice simutaneously.
Use ro.ril.svdo=true'
Merge branch 'jellybean3' of https://github.com/TheCollective/android_frameworks_base into jellybean3-sb