i9300: move libril, use SamsungExynos4RIL class

Change-Id: Idf5a983d659d239ba3324cbd8c9e0be9f4ee3dd3
i9300: gps: add magic field to AGpsRefLocationCellID struct

Change-Id: Ice1de50893295f82cef8bb022ed58d80b4541d3b
Improve mic sound when using an headset.

Change-Id: I879ef9ff3a8f6dbcb0d9beb859c8f7bd854984b9
Merge branch 'cm-10.1' of github.com:CyanogenMod/android_device_samsung_i9300 into cm-10.1