Revert "Invert the order of event sending and VpnRunner.exit()"

This reverts commit 9cfd367413.

Reason for revert: <Break test>

Change-Id: Ibdd13c67c2f7cda5331df14f0bedd4e33f8df3fa

services/core/java/com/android/server/connectivity/Vpn.java

@@ -4042,11 +4042,9 @@ public class Vpn {
         // To stop the VPN profile, the caller must be the current prepared package and must be
         // running an Ikev2VpnProfile.
         if (isCurrentIkev2VpnLocked(packageName)) {
-            // Cache ownerUid to prevent the value being changed after performing VpnRunner.exit().
-            final int ownerUid = mOwnerUID;
+            notifyVpnManagerVpnStopped(packageName, mOwnerUID);
 
             mVpnRunner.exit();
-            notifyVpnManagerVpnStopped(packageName, ownerUid);
         }
     }