Restrict MANAGE_VIRTUAL_MACHINE to platform signed apps am: 04b69ea231 am: 087d6f437b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/1821440

Change-Id: I41caec41da0abf5b6fba59410491b80b0ba5a664
diff --git a/javalib/AndroidManifest.xml b/javalib/AndroidManifest.xml
index 21857f8..f96b39f 100644
--- a/javalib/AndroidManifest.xml
+++ b/javalib/AndroidManifest.xml
@@ -18,7 +18,7 @@
   package="com.android.virtualmachine.res">
 
   <permission android:name="android.permission.MANAGE_VIRTUAL_MACHINE"
-      android:protectionLevel="normal" />
+      android:protectionLevel="signature" />
 
   <permission android:name="android.permission.DEBUG_VIRTUAL_MACHINE"
       android:protectionLevel="signature" />