root: setprop qcom.audio.init complete to prevent wait in audio init

Normally this is set by init.qcom.audio.sh which is called from
init.qcom.wifi.sh, neither of which we use currently.

Change-Id: Iffe624d045ceef1391a09f8ebe8d9e4f4cdfaabe
Moto changes in init.qcom.usb.sh
Merge branch 'cm-10.1' of https://github.com/razrqcom-dev-team/android_device_motorola_msm8960-common