Allow use of VS's data files for VM partitions

These files are only writable by Virtualization Service and
Virtualization Manager, so we can trust them.

Bug: 274407309
Test: TH
Change-Id: I71671c8555197fa9acf314046911c6a2517d2cce
diff --git a/virtualizationmanager/src/aidl.rs b/virtualizationmanager/src/aidl.rs
index e015d9d..749d75f 100644
--- a/virtualizationmanager/src/aidl.rs
+++ b/virtualizationmanager/src/aidl.rs
@@ -725,10 +725,11 @@
 /// user devices (W^X).
 fn check_label_is_allowed(context: &SeContext) -> Result<()> {
     match context.selinux_type()? {
-        | "system_file" // immutable dm-verity protected partition
         | "apk_data_file" // APKs of an installed app
-        | "staging_data_file" // updated/staged APEX images
         | "shell_data_file" // test files created via adb shell
+        | "staging_data_file" // updated/staged APEX images
+        | "system_file" // immutable dm-verity protected partition
+        | "virtualizationservice_data_file" // files created by VS / VirtMgr
          => Ok(()),
         _ => bail!("Label {} is not allowed", context),
     }