Replace usages of DEPRECATED_java_in_dir with java_files

sync/BUILD.gn

 # Copyright 2014 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/features.gni")
 import("//sync/protocol/protocol_sources.gni")
 import("//testing/test.gni")
 
 component("sync") {
   public_deps = [
@@ skipping 846 matching lines @@
 
   # GYP: //sync/sync_tests.gypi:sync_java_test_support
   android_library("sync_java_test_support") {
     testonly = true
     deps = [
       "android:sync_java",
       "//base:base_java",
       "//base:base_java_test_support",
       "//third_party/jsr-305:jsr_305_javalib",
     ]
-    DEPRECATED_java_in_dir = "test/android/javatests/src"
+    java_files = [
+      "test/android/javatests/src/org/chromium/sync/test/util/AccountHolder.java",
+      "test/android/javatests/src/org/chromium/sync/test/util/MockAccountManager.java",
+      "test/android/javatests/src/org/chromium/sync/test/util/MockSyncContentResolverDelegate.java",
+      "test/android/javatests/src/org/chromium/sync/test/util/SimpleFuture.java",
+    ]
   }
 
   # GYP: //sync/sync_tests.gypi:test_support_sync_fake_server_android
   static_library("test_support_sync_fake_server_android") {
     testonly = true
     sources = [
       "test/fake_server/android/fake_server_helper_android.cc",
       "test/fake_server/android/fake_server_helper_android.h",
     ]
     deps = [
       ":fake_server_jni",
       ":sync_core",
       ":test_support_sync_fake_server",
       "//base",
       "//sync/protocol:protocol",
       "//testing/gtest",
       "//url:url",
     ]
   }
 }