Update telephony config location

Change-Id: I0ed50c32d88a800981bdd95591fd2db06e870c0d
Temp: disable WiDi

Something in the new code is messing up the wifi driver, disable
it until the drivers get updated

Change-Id: I6d232b8ddd15f312fc675b6874cf33dea5aebf54
Update QCOM flags

 * Remove TARGET_QCOM_MEDIA_VARIANT as we don't support it in PACE.
 * Add TARGET_ENABLE_QC_AV_ENHANCEMENTS.

Change-Id: Iaf1f4499481e47981e0573b8d24524e247acd63b