Fix bug where private numbers in call log are blank.

Before this fix, the isBlockedNumber method was returning false without
calling the listener/callback. This caused the CallLogAdapter to not
render items where the call was from an unknown or private number. This
fixes the issue by calling the listener.

Change-Id: I6283a71db872ef62586faacaf18d37ed368b492f
diff --git a/src/com/android/dialer/database/FilteredNumberAsyncQueryHandler.java b/src/com/android/dialer/database/FilteredNumberAsyncQueryHandler.java
index 52ef49a..e3f8c59 100644
--- a/src/com/android/dialer/database/FilteredNumberAsyncQueryHandler.java
+++ b/src/com/android/dialer/database/FilteredNumberAsyncQueryHandler.java
@@ -151,6 +151,7 @@
             final OnCheckBlockedListener listener, String number, String countryIso) {
         final String e164Number = PhoneNumberUtils.formatNumberToE164(number, countryIso);
         if (TextUtils.isEmpty(e164Number)) {
+            listener.onCheckComplete(null);
             return false;
         }