add crosvm to com.android.virt

To do so, crosvm and its dependencies have the apex_available property
set to "//apex_available:platform", "com.android.virt" to explicitly
acknowledge the joining.

Bug: 174639241
Test: m com.android.virt

Change-Id: I3e65cbf19ea47d2d20e31e5a8c034cfbc25d2d77
1 file changed