Simplifying the startSearch call in launcher callbacks

Change-Id: I722e110903cced237f05667c4d711468d7cd3daa
diff --git a/src/com/android/launcher3/LauncherCallbacks.java b/src/com/android/launcher3/LauncherCallbacks.java
index 4a58e51..6394b90 100644
--- a/src/com/android/launcher3/LauncherCallbacks.java
+++ b/src/com/android/launcher3/LauncherCallbacks.java
@@ -79,9 +79,11 @@
     @Deprecated
     public void onWorkspaceLockedChanged();
 
-    public boolean providesSearch();
-    public boolean startSearch(String initialQuery, boolean selectInitialQuery,
-            Bundle appSearchData, Rect sourceBounds);
+    /**
+     * Starts a search with {@param initialQuery}. Return false if search was not started.
+     */
+    public boolean startSearch(
+            String initialQuery, boolean selectInitialQuery, Bundle appSearchData);
     public boolean hasCustomContentToLeft();
     public void populateCustomContentContainer();
     public View getQsbBar();