Telephony: Don not call onUssdRelease for Huawei RIL

Huawei RIL doesn't seem to work properly with USSD_MODE_NW_RELEASE,
always releasing USSD when it should be finished instead.
Let's explicitly call onUssdFinished in this case.

Change-Id: I69faed1c51d4582834879975d6ab13daf7f48ad4
1 file changed