Make /dev/{kvm,vhost-vsock} accessible to all UIDs

We will continue to restrict access to /dev/kvm and /dev/vhost-vsock with SELinux.

Bug: 245727626
Test: atest -p packages/modules/Virtualization:avf-presubmit
Change-Id: Id4f3e19c18a51bc51e6363d6ffde31c1032cf967
diff --git a/rootdir/ueventd.rc b/rootdir/ueventd.rc
index 4ec59af..0b7ffb8 100644
--- a/rootdir/ueventd.rc
+++ b/rootdir/ueventd.rc
@@ -69,8 +69,8 @@
 # CDMA radio interface MUX
 /dev/ppp                  0660   radio      vpn
 
-/dev/kvm                  0600   system     system
-/dev/vhost-vsock          0600   system	    system
+/dev/kvm                  0666   root       root
+/dev/vhost-vsock          0666   root       root
 
 # sysfs properties
 /sys/devices/platform/trusty.*      trusty_version        0440  root   log