fix licenses

LICENSE

@@ -442,7 +442,7 @@ Written by Pavel Binko, Dino Ferrero Merlino, Wolfgang Hoschek, Tony Johnson, An
 
 
 ========================================================================
-Fo SnapTree:
+For SnapTree:
 ========================================================================
 
 SNAPTREE LICENSE
@@ -482,6 +482,24 @@ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 SUCH DAMAGE.
 
 
+========================================================================
+For Timsort:
+========================================================================
+Copyright (C) 2008 The Android Open Source Project
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+
 ========================================================================
 BSD-style licenses
 ========================================================================

core/src/main/scala/org/apache/spark/util/collection/Sorter.java

@@ -1,6 +1,4 @@
 /*
- * Copyright (C) 2008 The Android Open Source Project
- *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.