port settings over to new metrics enum

Change-Id: I0b3efd2f4db773ccbc52bfe59ee8eb0dab9584fb
diff --git a/src/com/android/settings/TetherSettings.java b/src/com/android/settings/TetherSettings.java
index 4b5f23d..793a636 100644
--- a/src/com/android/settings/TetherSettings.java
+++ b/src/com/android/settings/TetherSettings.java
@@ -39,7 +39,7 @@
 import android.support.v7.preference.PreferenceScreen;
 import android.widget.TextView;
 
-import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.settings.wifi.WifiApDialog;
 import com.android.settings.wifi.WifiApEnabler;
 import com.android.settingslib.TetherUtil;
@@ -109,7 +109,7 @@
 
     @Override
     protected int getMetricsCategory() {
-        return MetricsLogger.TETHER;
+        return MetricsEvent.TETHER;
     }
 
     @Override