am 2415841: Merge "EthernetDataTracker: indicate link up based on flags"

* commit '2415841c370d855d7f3a3e6a537e641c69a57097':
  EthernetDataTracker: indicate link up based on flags

Author: Robert Greenwalt

core/java/android/net/EthernetDataTracker.java

@@ -223,7 +223,7 @@ public void startMonitoring(Context context, Handler target) {
                     mIface = iface;
                     mNMService.setInterfaceUp(iface);
                     InterfaceConfiguration config = mNMService.getInterfaceConfig(iface);
-                    mLinkUp = config.isActive();
+                    mLinkUp = config.hasFlag("up");
                     if (config != null && mHwAddr == null) {
                         mHwAddr = config.getHardwareAddress();
                         if (mHwAddr != null) {