Do not force downloads on package replace.

This is causing issues we can't deal with in a safe and timely manner.
Furthermore, users who need downloaded dictionaries already have them by now.

Bug 21797386.

Change-Id: I97e5fd84edcf2b16f04db57b7ae4a13fa9ce993f

java/src/com/android/inputmethod/latin/SystemBroadcastReceiver.java

@@ -81,7 +81,8 @@ public final class SystemBroadcastReceiver extends BroadcastReceiver {
             // Remove all the previously scheduled downloads. This will also makes sure
             // that any erroneously stuck downloads will get cleared. (b/21797386)
             removeOldDownloads(context);
-            downloadLatestDictionaries(context);
+            // b/21797386
+            // downloadLatestDictionaries(context);
         } else if (Intent.ACTION_BOOT_COMPLETED.equals(intentAction)) {
             Log.i(TAG, "Boot has been completed");
             toggleAppIcon(context);