Fix USB Tethering

Signed-off-by: aways <aways@c-rom.org>

Change-Id: I36c862548875ecb83606871a3ebc75ab89474af0
Merge "Fix USB Tethering" into cm-11.0
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_samsung_jflte into cd-4.4