[KM-VM] Add SELinux rules for system internal properties

Bug: 368502791
Test: launch_cvd --secure_hals=guest_keymint_trusty_insecure
Test: atest VtsAidlSharedSecretTargetTest
Change-Id: I8205bec507f603ad19091abaff77036dc1895f92
diff --git a/private/property.te b/private/property.te
index 17e6d6e..65ef179 100644
--- a/private/property.te
+++ b/private/property.te
@@ -73,6 +73,7 @@
 system_internal_prop(suspend_debug_prop)
 system_internal_prop(system_service_enable_prop)
 system_internal_prop(ctl_artd_pre_reboot_prop)
+system_internal_prop(trusty_security_vm_sys_prop)
 
 
 # Properties which can't be written outside system
diff --git a/private/property_contexts b/private/property_contexts
index d417a5b..d5679fa 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -1745,3 +1745,7 @@
 # Properties for enabling/disabling system services
 ro.system_settings.service.odp_enabled   u:object_r:system_service_enable_prop:s0 exact bool
 ro.system_settings.service.backgound_install_control_enabled   u:object_r:system_service_enable_prop:s0 exact bool
+
+# Properties related to Trusty VMs
+trusty.security_vm.nonsecure_vm_ready u:object_r:trusty_security_vm_sys_prop:s0 exact bool
+trusty.security_vm.vm_cid u:object_r:trusty_security_vm_sys_prop:s0 exact int