Document that DownloadManager supports HTTPS.

Bug: 14112655
Change-Id: I37708553b7ae2f48dcd574f3c66daa8dfdd00f3a
diff --git a/core/java/android/app/DownloadManager.java b/core/java/android/app/DownloadManager.java
index 2ed8b0f..5327646 100644
--- a/core/java/android/app/DownloadManager.java
+++ b/core/java/android/app/DownloadManager.java
@@ -418,7 +418,7 @@
         private int mNotificationVisibility = VISIBILITY_VISIBLE;
 
         /**
-         * @param uri the HTTP URI to download.
+         * @param uri the HTTP or HTTPS URI to download.
          */
         public Request(Uri uri) {
             if (uri == null) {