Change group to net_bt_stack

Change-Id: Ifc80fe16cefc8766255cf585acf622beb730f130
Signed-off-by: Grarak <williye97@gmail.com>

Conflicts:
	rootdir/init.qcom.rc
Add libI420colorconvert.so to proprietary extract list

 * The video editor needs it to show the preview.

Change-Id: Ic343b5ba6c1deaeabf25a11614f8d28f2011eac4