Always show appropriate mobile service label.

Fix for Carrier Verification case failure for not showing
"no internet connection" text on expanded status bar while
mobile data connection is not CONNECTED state.

Bug:5884774
Change-Id: I433d5de626b9b0cff20d192cb6aae214f3e014b3
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java
index d9114a5..666d696 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java
@@ -913,6 +913,9 @@
             combinedActivityIconId = mMobileActivityIconId;
             combinedSignalIconId = mDataSignalIconId; // set by updateDataIcon()
             mContentDescriptionCombinedSignal = mContentDescriptionDataType;
+        } else {
+            mobileLabel = mHasMobileDataFeature ?
+                context.getString(R.string.status_bar_settings_signal_meter_disconnected) : "";
         }
 
         if (mWifiConnected) {