Added launcher callback to specify search bar height.

The search bar can now be be normal or tall. When it is set to tall,
the hotseat and page indicators move down so that the workspace isn't
compressed quite as much.

Change-Id: Id92a946eab3a93524999f92efd847a501a95f002
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index bf9a426..7f8dc3c 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -4137,6 +4137,13 @@
         return mDeviceProfile.getSearchBarBounds(Utilities.isRtl(getResources()));
     }
 
+    public int getSearchBarHeight() {
+        if (mLauncherCallbacks != null) {
+            return mLauncherCallbacks.getSearchBarHeight();
+        }
+        return LauncherCallbacks.SEARCH_BAR_HEIGHT_NORMAL;
+    }
+
     public void bindSearchProviderChanged() {
         if (mSearchDropTargetBar == null) {
             return;