Avoid collision with RIL constant 1138, used in some Samsung devices for RIL_UNSOL_TETHERED_MODE_STATE_CHANGED.

Needs http://review.cyanogenmod.org/#/c/61292/
Thanks to iptux on XDA for pointing out the change in constants between
CM-10.2 and CM-11.0.

Change-Id: I64011408f4cce9aeb1b56e325226f8e649eff2b6