[WebView] Reorganize all of the WebView Shell apks into their own dir.

android_webview/system_webview_shell_test_apk.isolate

 # Copyright 2015 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.
 
 {
   'conditions': [
     ['OS=="android"', {
       'variables': {
         'files': [
-          '<(DEPTH)/android_webview/tools/WebViewShell/test/',
+          '<(DEPTH)/android_webview/tools/system_webview_shell/test/data/',
           '<(DEPTH)/third_party/WebKit/LayoutTests/virtual/stable/webexposed/global-interface-listing-expected.txt',
           '<(DEPTH)/third_party/WebKit/LayoutTests/webexposed/global-interface-listing.html',
           '<(DEPTH)/third_party/WebKit/LayoutTests/webexposed/global-interface-listing-expected.txt',
           '<(DEPTH)/third_party/WebKit/LayoutTests/webexposed/resources/global-interface-listing.js',
         ],
       },
     }],
   ],
 }