Update guest composer to use virtio gpu edid when available

... as EDID will be enabled with aosp/2192105 to ensure
consistent physical display ids across both 2D and 3D modes.

Bug: b/242931783
Test: cvd start --gpu_mode=guest_swiftshader
                --display0=width=500,height=500
                --display1=width=500,height=500
                --display2=width=500,height=500
                --display3=width=500,height=500
      and interact with all displays both with and without
      https://android-review.googlesource.com/q/topic:crosvm-edid-update
Change-Id: I16c780becde58d728cdd3f045b0ab9d7bf1f6eb5
1 file changed