Fix crash in BlockedNumberSearchActivity

Don't require RegularSearchFragment's parent activity to
implement CapabilityChecker interface. In the context of the
BlockedNumberSearchActivity this functionality is not needed.

Bug: 24804134
Change-Id: I848ae66c6f8afc6e60b19bc28e933ae1e2f59893
diff --git a/src/com/android/dialer/DialtactsActivity.java b/src/com/android/dialer/DialtactsActivity.java
index 4bfd565..d44e8e7 100644
--- a/src/com/android/dialer/DialtactsActivity.java
+++ b/src/com/android/dialer/DialtactsActivity.java
@@ -110,7 +110,7 @@
         ListsFragment.HostInterface,
         SpeedDialFragment.HostInterface,
         SearchFragment.HostInterface,
-        RegularSearchFragment.HostInterface,
+        RegularSearchFragment.CapabilityChecker,
         OnDragDropListener,
         OnPhoneNumberPickerActionListener,
         PopupMenu.OnMenuItemClickListener,
@@ -607,6 +607,7 @@
         } else if (fragment instanceof SearchFragment) {
             mRegularSearchFragment = (RegularSearchFragment) fragment;
             mRegularSearchFragment.setOnPhoneNumberPickerActionListener(this);
+            mRegularSearchFragment.setCapabilityChecker(this);
         } else if (fragment instanceof ListsFragment) {
             mListsFragment = (ListsFragment) fragment;
             mListsFragment.addOnPageChangeListener(this);