Make notification high priority While download is in progress

chrome/android/java/src/org/chromium/chrome/browser/download/DownloadNotificationService.java

Index: chrome/android/java/src/org/chromium/chrome/browser/download/DownloadNotificationService.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadNotificationService.java b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadNotificationService.java
index ac5bff8a32697aa32301c2747a07cf15396ba099..30f8b424d255fa1ca255a688015390e39afde4b0 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadNotificationService.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadNotificationService.java
@@ -135,6 +135,7 @@ public class DownloadNotificationService extends Service {
         NotificationCompat.Builder builder = buildNotification(
                 android.R.drawable.stat_sys_download, fileName, null);
         builder.setOngoing(true).setProgress(100, percentage, indeterminate);
+        builder.setPriority(Notification.PRIORITY_HIGH);
         if (!indeterminate) {
             NumberFormat formatter = NumberFormat.getPercentInstance(Locale.getDefault());
             String percentText = formatter.format(percentage / 100.0);