Update instrumentation tests to use PreTestHooks for policies

chrome/chrome_tests.gypi

 # 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.
 {
   'variables': {
     'chrome_browser_extensions_test_support_sources': [
       # A list of sources which is shared between different browser tests.
       'browser/apps/app_browsertest_util.cc',
       'browser/apps/app_browsertest_util.h',
       'browser/extensions/browsertest_util.cc',
@@ skipping 3138 matching lines @@
           # GN: //chrome/test/android:chrome_java_test_support
           'target_name': 'chrome_java_test_support',
           'type': 'none',
           'variables': {
             'java_in_dir': '../chrome/test/android/javatests',
           },
           'dependencies': [
             'chrome_java',
             '../base/base.gyp:base_java',
             '../base/base.gyp:base_java_test_support',
+            '../components/components.gyp:policy_java_test_support',
             '../content/content_shell_and_tests.gyp:content_java_test_support',
             '../net/net.gyp:net_java',
             '../net/net.gyp:net_java_test_support',
             '../sync/sync.gyp:sync_java',
             '../sync/sync.gyp:sync_java_test_support',
           ],
           'includes': [ '../build/java.gypi' ],
         },
       ],
     }],
@@ skipping 263 matching lines @@
             'utility',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
           ],
         }]
     }],
   ],  # 'conditions'
 }