galaxys2: move libril, use SamsungExynos4RIL class

Change-Id: Idec0820fa46fabd0d4703fedef3e6b168b96e800

Conflicts:
	BoardCommonConfig.mk
	common.mk
galaxys2: gps: add magic field to AGpsRefLocationCellID struct

Change-Id: I504efe60e3a0eecd2c77950b5bc8abe97b912685