Revert^2 "add sepolicy type for widevine/drm hal in system"

This reverts commit a0e696357c7f3da72ebdb6237b2343e6b8a7afac.

Reason for revert: https://googleplex-android-review.git.corp.google.com/q/hashtag:%22b/398929391%22+(status:open%20OR%20status:merged)

Change-Id: I379734cc1adb33b874ba35daa9ace7485c79baa8
diff --git a/private/property_contexts b/private/property_contexts
index d80931c..8801a17 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -1808,6 +1808,9 @@
 # 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
+trusty.widevine_vm.nonsecure_vm_ready u:object_r:trusty_widevine_vm_sys_prop:s0 exact bool
+trusty.widevine_vm.vm_cid u:object_r:trusty_widevine_vm_sys_prop:s0 exact int
+trusty.widevine_vm.port u:object_r:trusty_widevine_vm_sys_prop:s0 exact int
 
 # Properties that allows vendors to enable Trusty security VM features
 trusty.security_vm.enabled u:object_r:trusty_security_vm_sys_vendor_prop:s0 exact bool