Cleanup after M

build/secondary/third_party/android_tools/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/android/rules.gni")
 
 config("cpu_features_include") {
   include_dirs = [ "ndk/sources/android/cpufeatures" ]
 }
 
 # This is the GN version of
 # //build/android/ndk.gyp:cpu_features
 source_set("cpu_features") {
   sources = [
     "ndk/sources/android/cpufeatures/cpu-features.c",
   ]
   public_configs = [ ":cpu_features_include" ]
 
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [ "//build/config/compiler:no_chromium_code" ]
 }
 
-android_library("preview_java_sources") {
-  DEPRECATED_java_in_dir = "$android_sdk_root/sources/preview_sources/src"
-}
-
 android_java_prebuilt("android_gcm_java") {
   jar_path = "$android_sdk_root/extras/google/gcm/gcm-client/dist/gcm.jar"
 }
 
 android_java_prebuilt("uiautomator_java") {
   jar_path = "$android_sdk/uiautomator.jar"
 }
 
 android_resources("android_support_design_resources") {
   v14_skip = true
@@ skipping 109 matching lines @@
   ]
   outputs = [
     "$target_gen_dir/checked_sdk_extras_version.stamp",
   ]
 }
 
 # TODO(jbudorick): Remove this once net_java_test_support no longer needs it.
 android_java_prebuilt("legacy_http_javalib") {
   jar_path = "$android_sdk/optional/org.apache.http.legacy.jar"
 }