[Android] BackgroundTaskScheduler reschedule implementation

chrome/android/java/src/org/chromium/chrome/browser/omaha/OmahaService.java

 // Copyright 2017 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.chrome.browser.omaha;
 
 import android.annotation.TargetApi;
 import android.app.IntentService;
 import android.app.job.JobService;
 import android.content.Context;
@@ skipping 99 matching lines @@
     @Override
     @TargetApi(Build.VERSION_CODES.M)
     public boolean onStopTask(Context context, TaskParameters taskParameters) {
         if (mJobServiceTask != null) {
             mJobServiceTask.cancel(false);
             mJobServiceTask = null;
         }
         return false;
     }
 
+    @Override
+    @TargetApi(Build.VERSION_CODES.M)
+    public void reschedule(Context context) {
+        // Needs appropriate implementation.
+    }
+
     /**
      * Schedules the Omaha code to run at the given time.
      * @param context Context to use.
      * @param delayMs How long to wait until the job should be triggered.
      */
     @TargetApi(Build.VERSION_CODES.M)
     static boolean scheduleJobService(Context context, long delayMs) {
         long latency = Math.max(0, delayMs);
 
         TaskInfo taskInfo = TaskInfo.createOneOffTask(TaskIds.OMAHA_JOB_ID, OmahaService.class,
                                             latency, latency)
                                     .build();
         return BackgroundTaskSchedulerFactory.getScheduler().schedule(context, taskInfo);
     }
 }