Move Android metrics files into a /metrics/ subfolder/package.

chrome/browser/android/uma_bridge.h

Index: chrome/browser/android/uma_bridge.h
diff --git a/chrome/browser/android/uma_bridge.h b/chrome/browser/android/uma_bridge.h
deleted file mode 100644
index c68c841b8b5d6160f42da160ff8922349854c525..0000000000000000000000000000000000000000
--- a/chrome/browser/android/uma_bridge.h
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CHROME_BROWSER_ANDROID_UMA_BRIDGE_H_
-#define CHROME_BROWSER_ANDROID_UMA_BRIDGE_H_
-
-#include <jni.h>
-
-namespace chrome {
-namespace android {
-
-// Registers the native methods through jni
-bool RegisterUmaBridge(JNIEnv* env);
-
-}  // namespace android
-}  // namespace chrome
-
-#endif  // CHROME_BROWSER_ANDROID_UMA_BRIDGE_H_