Exposes Intent.METADATA_SETUP_VERSION as SystemApi for SUW.

Bug: 114363691
Test: manual (run setup wizard)
Change-Id: I4f2b9ee04a641421b7061c87380fa71235967683
diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
index c0463e9..9543ad2 100644
--- a/core/java/android/content/Intent.java
+++ b/core/java/android/content/Intent.java
@@ -1726,10 +1726,14 @@
             = "android.intent.extra.UNINSTALL_ALL_USERS";
 
     /**
-     * A string associated with a {@link #ACTION_UPGRADE_SETUP} activity
-     * describing the last run version of the platform that was setup.
+     * A string that associates with a metadata entry, indicating the last run version of the
+     * platform that was setup.
+     *
+     * @see #ACTION_UPGRADE_SETUP
+     *
      * @hide
      */
+    @SystemApi
     public static final String METADATA_SETUP_VERSION = "android.SETUP_VERSION";
 
     /**