Samsung: Add common class for vibrator

Change-Id: I0802cc122b606b08f58731febd8bf050d22f4c57
xmm6262: Use xmm6262 libril for xmm6360 modem as well

* They appear to expose a very similar interface

Change-Id: I6793da25244258adb905e002d05bb60061487c5e