Add null check for cursor.

Bug: 24134270
Change-Id: I5d28c633abee226f7bc2d63ec80340cd6deb9c79
diff --git a/src/com/android/dialer/filterednumber/BlockedNumberFragment.java b/src/com/android/dialer/filterednumber/BlockedNumberFragment.java
index cee7a0d..a89ca84 100644
--- a/src/com/android/dialer/filterednumber/BlockedNumberFragment.java
+++ b/src/com/android/dialer/filterednumber/BlockedNumberFragment.java
@@ -168,6 +168,11 @@
 
     @Override
     public void onVoicemailStatusFetched(Cursor cursor) {
+        if (cursor == null) {
+            hideSetting.setVisibility(View.GONE);
+            return;
+        }
+
         final boolean hasVisualVoicemailSource =
                 mVoicemailStatusHelper.getNumberActivityVoicemailSources(cursor) > 0;
         View hideSetting = getActivity().findViewById(R.id.hide_blocked_calls_setting);