Clearing search query after clearing input text.

Bug: 30435142
Change-Id: I3f00e1339aba46f4ab3cd092e59a94b506179dcf

src/com/android/launcher3/allapps/AllAppsSearchBarController.java

@@ -140,10 +140,11 @@ public abstract class AllAppsSearchBarController
      * Resets the search bar state.
      */
     public void reset() {
-        mQuery = null;
         unfocusSearchField();
         mCb.clearSearchResult();
         mInput.setText("");
+        // We need to reset this after we clear the input text
+        mQuery = null;
         hideKeyboard();
     }