Start VPN as early as possible during startup

- Switch from USER_STARTING to USER_STARTED which is the foreground
  version of the broadcast

- Set the new VPN network as CONNECTING initially to avoid spamming
  apps with useless notifications ahead of the network being fully
  available

Bug: 26694104
Fix: 28335277
Change-Id: I31d5260dda62ff440c31c44eb0aa5c891e2717e5
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 5530143..ea57319 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -729,7 +729,7 @@
 
         //set up the listener for user state for creating user VPNs
         IntentFilter intentFilter = new IntentFilter();
-        intentFilter.addAction(Intent.ACTION_USER_STARTING);
+        intentFilter.addAction(Intent.ACTION_USER_STARTED);
         intentFilter.addAction(Intent.ACTION_USER_STOPPED);
         intentFilter.addAction(Intent.ACTION_USER_ADDED);
         intentFilter.addAction(Intent.ACTION_USER_REMOVED);
@@ -3663,7 +3663,7 @@
             final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);
             if (userId == UserHandle.USER_NULL) return;
 
-            if (Intent.ACTION_USER_STARTING.equals(action)) {
+            if (Intent.ACTION_USER_STARTED.equals(action)) {
                 onUserStart(userId);
             } else if (Intent.ACTION_USER_STOPPED.equals(action)) {
                 onUserStop(userId);