Make header include guards great again

runtime/bin/eventhandler_android.h

Index: runtime/bin/eventhandler_android.h
diff --git a/runtime/bin/eventhandler_android.h b/runtime/bin/eventhandler_android.h
index 884186186fdc7dcdd527cac7b1059a3083cfbfc4..c2f72bc96f5cbcb76a5076a290ca9e8300aadf29 100644
--- a/runtime/bin/eventhandler_android.h
+++ b/runtime/bin/eventhandler_android.h
@@ -2,10 +2,10 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-#ifndef BIN_EVENTHANDLER_ANDROID_H_
-#define BIN_EVENTHANDLER_ANDROID_H_
+#ifndef RUNTIME_BIN_EVENTHANDLER_ANDROID_H_
+#define RUNTIME_BIN_EVENTHANDLER_ANDROID_H_
 
-#if !defined(BIN_EVENTHANDLER_H_)
+#if !defined(RUNTIME_BIN_EVENTHANDLER_H_)
 #error Do not include eventhandler_android.h directly;
 #error use eventhandler.h instead.
 #endif
@@ -101,4 +101,4 @@ class EventHandlerImplementation {
 }  // namespace bin
 }  // namespace dart
 
-#endif  // BIN_EVENTHANDLER_ANDROID_H_
+#endif  // RUNTIME_BIN_EVENTHANDLER_ANDROID_H_