Move //webapk to //chrome/android/webapk

webapk/libs/common/BUILD.gn

Index: webapk/libs/common/BUILD.gn
diff --git a/webapk/libs/common/BUILD.gn b/webapk/libs/common/BUILD.gn
deleted file mode 100644
index 8381ae5132765cb859f1a78201a693aee313d334..0000000000000000000000000000000000000000
--- a/webapk/libs/common/BUILD.gn
+++ /dev/null
@@ -1,12 +0,0 @@
-# Copyright 2016 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.
-
-import("//build/config/android/rules.gni")
-
-android_library("common") {
-  java_files = [
-    "src/org/chromium/webapk/lib/common/WebApkConstants.java",
-    "src/org/chromium/webapk/lib/common/WebApkUtils.java",
-  ]
-}