Multi_tenant is the new payload_not_root

Trying to have more fine-grained Rust configs than feature flags was
actually a terrible idea, and means extra work if I need to add
something that is multi-tenant related but not root related.

Use consistent naming throughout instead.

Bug: 302677468
Test: Builds
Change-Id: I2dfe97e8c62f24590522df89d9b373774a43d495
diff --git a/javalib/api/test-current.txt b/javalib/api/test-current.txt
index 7c61712..12c099d 100644
--- a/javalib/api/test-current.txt
+++ b/javalib/api/test-current.txt
@@ -20,7 +20,7 @@
   public class VirtualMachineManager {
     method @RequiresPermission(android.system.virtualmachine.VirtualMachine.MANAGE_VIRTUAL_MACHINE_PERMISSION) public boolean isFeatureEnabled(String) throws android.system.virtualmachine.VirtualMachineException;
     field public static final String FEATURE_DICE_CHANGES = "com.android.kvm.DICE_CHANGES";
-    field public static final String FEATURE_PAYLOAD_NOT_ROOT = "com.android.kvm.PAYLOAD_NON_ROOT";
+    field public static final String FEATURE_MULTI_TENANT = "com.android.kvm.MULTI_TENANT";
     field public static final String FEATURE_VENDOR_MODULES = "com.android.kvm.VENDOR_MODULES";
   }
 
diff --git a/javalib/src/android/system/virtualmachine/VirtualMachineManager.java b/javalib/src/android/system/virtualmachine/VirtualMachineManager.java
index e45fe99..a4927db 100644
--- a/javalib/src/android/system/virtualmachine/VirtualMachineManager.java
+++ b/javalib/src/android/system/virtualmachine/VirtualMachineManager.java
@@ -107,7 +107,7 @@
     @Retention(RetentionPolicy.SOURCE)
     @StringDef(
             prefix = "FEATURE_",
-            value = {FEATURE_DICE_CHANGES, FEATURE_PAYLOAD_NOT_ROOT, FEATURE_VENDOR_MODULES})
+            value = {FEATURE_DICE_CHANGES, FEATURE_MULTI_TENANT, FEATURE_VENDOR_MODULES})
     public @interface Features {}
 
     /**
@@ -123,8 +123,7 @@
      * @hide
      */
     @TestApi
-    public static final String FEATURE_PAYLOAD_NOT_ROOT =
-            IVirtualizationService.FEATURE_PAYLOAD_NON_ROOT;
+    public static final String FEATURE_MULTI_TENANT = IVirtualizationService.FEATURE_MULTI_TENANT;
 
     /**
      * Feature to allow vendor modules in Microdroid.