rtc: Update svc test for resize
rtc: Update svc test for resize

Add count on expected number of resizes,
and use the speed_setting_ for base layer.

Also allow AQ_MODE=3 for the tests with
dynamic layer disabling/enabling.

Change-Id: I03fb0789a2210ba00b8b153941bf79fb774d51bf

webmproject/libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,ShiftMediaProject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,webmproject/libvpx