Only show wifi indicator when wifi is connected.

Bug: 5182789
Change-Id: I06e9592f9c51affd3b05b163f7a4f7b0c144403f

Author: dsandler

packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java

@@ -225,7 +225,7 @@ public void addLabelView(TextView v) {
     public void addSignalCluster(SignalCluster cluster) {
         mSignalClusters.add(cluster);
         cluster.setWifiIndicators(
-                mWifiEnabled,
+                mWifiConnected, // only show wifi in the cluster if connected
                 mWifiIconId,
                 mWifiActivityIconId);
         cluster.setMobileDataIndicators(
@@ -862,7 +862,7 @@ else if (!mDataConnected && !mWifiConnected && !mBluetoothTethered) {
             // NB: the mLast*s will be updated later
             for (SignalCluster cluster : mSignalClusters) {
                 cluster.setWifiIndicators(
-                        mWifiEnabled,
+                        mWifiConnected, // only show wifi in the cluster if connected
                         mWifiIconId,
                         mWifiActivityIconId);
                 cluster.setMobileDataIndicators(