Save and load more virtio gpu info
... so that context id, capset id, and name are available after load.
Bug: b/369615058
Test: cvd start \
--enable_virtiofs=false \
--gpu_mode=gfxstream_guest_angle_host_swiftshader \
--gpu_renderer_features=VulkanSnapshots:enabled
Test: cvd snapshot_take \
--force \
--auto_suspend \
--snapshot_path=/tmp/snapshot1
Test: cvd create --snapshot_path=/tmp/snapshot1
Change-Id: I169ca35f79f12a6b7dc20979092abc0ee77f27c7
GitOrigin-RevId: 4a37108487d7e175a328afd678a8823d7599a772
2 files changed
