diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index 51df1dd..4c4189c 100755
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -861,8 +861,7 @@
 
     // A helper object to track the current default HTTP proxy. ConnectivityService needs to tell
     // the world when it changes.
-    @VisibleForTesting
-    protected final ProxyTracker mProxyTracker;
+    private final ProxyTracker mProxyTracker;
 
     final private SettingsObserver mSettingsObserver;
 
@@ -1846,6 +1845,13 @@
         mHandler.sendEmptyMessage(EVENT_INGRESS_RATE_LIMIT_CHANGED);
     }
 
+    @VisibleForTesting
+    void simulateUpdateProxyInfo(@Nullable final Network network,
+            @NonNull final ProxyInfo proxyInfo) {
+        Message.obtain(mHandler, EVENT_PROXY_HAS_CHANGED,
+                new Pair<>(network, proxyInfo)).sendToTarget();
+    }
+
     private void handleAlwaysOnNetworkRequest(
             NetworkRequest networkRequest, String settingName, boolean defaultValue) {
         final boolean enable = toBool(Settings.Global.getInt(
diff --git a/service/src/com/android/server/connectivity/ProxyTracker.java b/service/src/com/android/server/connectivity/ProxyTracker.java
index bc0929c..b3cbb2a 100644
--- a/service/src/com/android/server/connectivity/ProxyTracker.java
+++ b/service/src/com/android/server/connectivity/ProxyTracker.java
@@ -330,7 +330,7 @@
     public void setDefaultProxy(@Nullable ProxyInfo proxyInfo) {
         synchronized (mProxyLock) {
             if (Objects.equals(mDefaultProxy, proxyInfo)) return;
-            if (proxyInfo != null &&  !proxyInfo.isValid()) {
+            if (proxyInfo != null && !proxyInfo.isValid()) {
                 if (DBG) Log.d(TAG, "Invalid proxy properties, ignoring: " + proxyInfo);
                 return;
             }