bug:3297328 set download destination dir to /sdcard/Download

downlaoded files should go into /sdcard/Download, like they used to
in GB and earlier.
But a minor difference in the download dir name:
it used to be /sdcard/download in before HC
/sdcard/Download in HC

how serious is this difference?

Change-Id: Ib56d8ee6a1393fd781399281be98b8c52831ebe1
diff --git a/src/com/android/browser/DownloadHandler.java b/src/com/android/browser/DownloadHandler.java
index cbf26f4..40278f4 100644
--- a/src/com/android/browser/DownloadHandler.java
+++ b/src/com/android/browser/DownloadHandler.java
@@ -183,7 +183,9 @@
         Uri uri = Uri.parse(addressString);
         final DownloadManager.Request request = new DownloadManager.Request(uri);
         request.setMimeType(mimetype);
-        request.setDestinationInExternalFilesDir(activity, null, filename);
+        // set downloaded file destination to /sdcard/Download.
+        // or, should it be set to one of several Environment.DIRECTORY* dirs depending on mimetype?
+        request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, filename);
         // let this downloaded file be scanned by MediaScanner - so that it can 
         // show up in Gallery app, for example.
         request.allowScanningByMediaScanner();