Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/java/core/src/test/java/com/google/protobuf/ProtobufArrayListTest.java

 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
 // https://developers.google.com/protocol-buffers/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
@@ skipping 14 matching lines @@
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 package com.google.protobuf;
 
 import static java.util.Arrays.asList;
 
+import junit.framework.TestCase;
+
 import java.util.Collections;
 import java.util.ConcurrentModificationException;
 import java.util.Iterator;
 import java.util.List;
-import junit.framework.TestCase;
 
 /**
  * Tests for {@link ProtobufArrayList}.
  */
 public class ProtobufArrayListTest extends TestCase {
   
   private static final ProtobufArrayList<Integer> UNARY_LIST = newImmutableProtoArrayList(1);
   private static final ProtobufArrayList<Integer> TERTIARY_LIST =
       newImmutableProtoArrayList(1, 2, 3);
   
@@ skipping 229 matching lines @@
   
   private static ProtobufArrayList<Integer> newImmutableProtoArrayList(int... elements) {
     ProtobufArrayList<Integer> list = new ProtobufArrayList<Integer>();
     for (int element : elements) {
       list.add(element);
     }
     list.makeImmutable();
     return list;
   }
 }