Remove guava dependency for multiple_proguards test.

build/android/tests/multiple_proguards/multiple_proguards.gyp

 # Copyright (c) 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': {
     'chromium_code': 1,
   },
   'targets': [
     {
       'target_name': 'multiple_proguards_test_apk',
       'type': 'none',
       'variables': {
         'app_manifest_version_name%': '<(android_app_version_name)',
         'java_in_dir': '.',
         'proguard_enabled': 'true',
         'proguard_flags_paths': [
+          # Both these proguard?.flags files need to be part of the build to
+          # remove both warnings from the src/dummy/DummyActivity.java file, else the
+          # build will fail.
           'proguard1.flags',
           'proguard2.flags',
         ],
         'R_package': 'dummy',
         'R_package_relpath': 'dummy',
         'apk_name': 'MultipleProguards',
         # This is a build-only test. There's nothing to install.
         'gyp_managed_install': 0,
+        # The Java code produces warnings, so force the build to not show them.
+        'chromium_code': 0,
       },
-      'dependencies': [
-        # guava has references to objects using reflection which
-        # should be ignored in proguard step.
-        '../../../../third_party/guava/guava.gyp:guava_javalib',
-      ],
       'includes': [ '../../../../build/java_apk.gypi' ],
     },
   ],
 }