[Android] Support conditional test disabling based on android.os.Build values.

base/base.gyp

 # Copyright (c) 2012 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,
   },
   'includes': [
     '../build/win_precompile.gypi',
@@ skipping 1570 matching lines @@
           # in the multidex shadow library. crbug.com/522043
           # GN: //base:base_junit_test_support
           'target_name': 'base_junit_test_support',
           'type': 'none',
           'dependencies': [
             '../testing/android/junit/junit_test.gyp:junit_test_support',
             '../third_party/android_tools/android_tools.gyp:android_support_multidex_javalib',
           ],
           'variables': {
             'src_paths': [
-              '../base/test/android/junit/',
+              '../base/test/android/junit/src/org/chromium/base/test/shadows/ShadowMultiDex.java',
             ],
           },
           'includes': [ '../build/host_jar.gypi' ]
         },
         {
           # GN: //base:base_junit_tests
           'target_name': 'base_junit_tests',
           'type': 'none',
           'dependencies': [
             'base_java',
             'base_java_test_support',
             'base_junit_test_support',
             '../testing/android/junit/junit_test.gyp:junit_test_support',
           ],
           'variables': {
              'main_class': 'org.chromium.testing.local.JunitTestMain',
              'src_paths': [
                '../base/android/junit/',
+               '../base/test/android/junit/src/org/chromium/base/test/util/DisableIfTest.java',
              ],
            },
           'includes': [ '../build/host_jar.gypi' ],
         },
         {
           # GN: //base:base_javatests
           'target_name': 'base_javatests',
           'type': 'none',
           'dependencies': [
             'base_java',
@@ skipping 115 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'base_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }