[Android] Enable multidex for debug builds of ChromePublic.

content/public/android/java/src/org/chromium/content/browser/LocationProviderAdapter.java

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.content.browser;
 
 import android.content.Context;
 
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
+import org.chromium.base.annotations.MainDex;
 
 import java.util.concurrent.FutureTask;
 
 /**
  * Implements the Java side of LocationProviderAndroid.
  * Delegates all real functionality to the implementation
  * returned from LocationProviderFactory.
  * See detailed documentation on
  * content/browser/geolocation/android_location_api_adapter.h.
  * Based on android.webkit.GeolocationService.java
  */
+@MainDex
 @VisibleForTesting
 public class LocationProviderAdapter {
 
     // Delegate handling the real work in the main thread.
     private LocationProviderFactory.LocationProvider mImpl;
 
     private LocationProviderAdapter(Context context) {
         mImpl = LocationProviderFactory.get(context);
     }
 
@@ skipping 57 matching lines @@
 
     // Native functions
     private static native void nativeNewLocationAvailable(
             double latitude, double longitude, double timeStamp,
             boolean hasAltitude, double altitude,
             boolean hasAccuracy, double accuracy,
             boolean hasHeading, double heading,
             boolean hasSpeed, double speed);
     private static native void nativeNewErrorAvailable(String message);
 }