Add some more DISALLOW_COPY_AND_ASSIGN

May help prevent bugs maybe.

Change-Id: Ie73d469dfcd078492ecb3aa28682b42707221202
diff --git a/runtime/gc/collector/concurrent_copying.h b/runtime/gc/collector/concurrent_copying.h
index 93de035..60ea6b6 100644
--- a/runtime/gc/collector/concurrent_copying.h
+++ b/runtime/gc/collector/concurrent_copying.h
@@ -279,7 +279,7 @@
   friend class FlipCallback;
   friend class ConcurrentCopyingComputeUnevacFromSpaceLiveRatioVisitor;
 
-  DISALLOW_COPY_AND_ASSIGN(ConcurrentCopying);
+  DISALLOW_IMPLICIT_CONSTRUCTORS(ConcurrentCopying);
 };
 
 }  // namespace collector