RIL: Make RIL subclassable

Change-Id: I9144ef279ca9c8cb9e657a28342f0f4cb3e7debd

Conflicts:
	src/java/com/android/internal/telephony/RIL.java
Allow a device to include its own RIL subclass

For cases where a single device needs a subclass, there's no need to
pollute the common core with it: just stick it in the device's own
repository, and add something like
"BOARD_RIL_CLASS := ../../../device/manuf/model/ril/" to the BoardConfig

Change-Id: I9d01ceb6e5587382eb216341e2e373ec0c52848f

Conflicts:
	Android.mk
Initialize RIL with the correct CDMA subscription mode setting

Users choice of CDMA Subscription Source is stored in CDMA_SUBSCRIPTION_MODE
setting in database.
If telephony restarts after a crash, PhoneFactory sets the
CDMA subscription source value from PREFERRED_CDMA_SUBSCRIPTION
setting and that causes the mismatch with the value in the settings
database chosen by the user. The change is to use the
CDMA_SUBSCRIPTION_MODE setting instead when creating the RIL object.

Also, remove the Setting PREFERRED_CDMA_SUBSCRIPTION from the database.
With this change the special treatment for LTE on CDMA will not be needed.
The correct value can be set in the database for CDMA_SUBSCRIPTION_MODE
and that will be taken on power-up by this code.

Change-Id: I11fff596a5fe721c64f192c889672326517dc43d

Conflicts:
	src/java/com/android/internal/telephony/PhoneFactory.java
core and telephony: Additional HSPAP support

Change-Id: I5e921d2308d873678d6ef67a91cff50d383a176b
telephony: set PROPERTY_DATA_NETWORK to data technology

The GSM SS is inaccurately setting the property to voice technology
instead of data technology (CDMA's SS is correct.)

Change-Id: I35a0a789bc06159f65325946e43f166f531bb1cc