am aaf68f21: Merge "instrument emergency call button" into mnc-dev

* commit 'aaf68f216327a8a2adaf72032904b50796b4aea7':
  instrument emergency call button

core/java/com/android/internal/logging/MetricsLogger.java

@@ -27,6 +27,7 @@ import android.view.View;
  */
 public class MetricsLogger implements MetricsConstants {
     // Temporary constants go here, to await migration to MetricsConstants.
+    public static final int ACTION_EMERGENCY_CALL = 200;
 
     public static void visible(Context context, int category) throws IllegalArgumentException {
         if (Build.IS_DEBUGGABLE && category == VIEW_UNKNOWN) {

packages/Keyguard/src/com/android/keyguard/EmergencyButton.java

@@ -28,6 +28,7 @@ import android.util.AttributeSet;
 import android.view.View;
 import android.widget.Button;
 
+import com.android.internal.logging.MetricsLogger;
 import com.android.internal.telephony.IccCardConstants.State;
 import com.android.internal.widget.LockPatternUtils;
 
@@ -116,6 +117,7 @@ public class EmergencyButton extends Button {
      * Shows the emergency dialer or returns the user to the existing call.
      */
     public void takeEmergencyCallAction() {
+        MetricsLogger.action(mContext, MetricsLogger.ACTION_EMERGENCY_CALL);
         // TODO: implement a shorter timeout once new PowerManager API is ready.
         // should be the equivalent to the old userActivity(EMERGENCY_CALL_TIMEOUT)
         mPowerManager.userActivity(SystemClock.uptimeMillis(), true);