Fix NPE in ActionBarAdapter

- Fixing the SearchView will require more work, but temporarily
add a null check before calling any method on the SearchView so it
doesn't crash anymore in Monkey tests

Bug: 4584460
Change-Id: Ibb31a1931213cdce82b593c9de62e600d5ba2e35
diff --git a/src/com/android/contacts/activities/ActionBarAdapter.java b/src/com/android/contacts/activities/ActionBarAdapter.java
index 680c8bd..0541edb 100644
--- a/src/com/android/contacts/activities/ActionBarAdapter.java
+++ b/src/com/android/contacts/activities/ActionBarAdapter.java
@@ -108,6 +108,9 @@
         if (mSearchMode != flag) {
             mSearchMode = flag;
             update();
+            if (mSearchView == null) {
+                return;
+            }
             if (mSearchMode) {
                 mSearchView.requestFocus();
             } else {
@@ -122,7 +125,9 @@
 
     public void setQueryString(String query) {
         mQueryString = query;
-        mSearchView.setQuery(query, false);
+        if (mSearchView != null) {
+            mSearchView.setQuery(query, false);
+        }
     }
 
     public void update() {