Reland of "precache: Move the java files into //components/precache/android"

chrome/android/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/config.gni")
 import("//build/config/android/rules.gni")
 import("//build/module_args/v8.gni")
 import("//chrome/version.gni")
 import("//testing/test.gni")
 import("//third_party/icu/config.gni")
@@ skipping 69 matching lines @@
   deps = [
     ":chrome_java_resources",
     ":document_tab_model_info_proto_java",
     "//base:base_java",
     "//net/android:net_java",
     "//components/bookmarks/common/android:bookmarks_java",
     "//components/dom_distiller/android:dom_distiller_core_java",
     "//components/gcm_driver/android:gcm_driver_java",
     "//components/invalidation:java",
     "//components/navigation_interception/android:navigation_interception_java",
+    "//components/precache/android:precache_java",
     "//components/variations/android:variations_java",
     "//components/web_contents_delegate_android:web_contents_delegate_android_java",
     "//content/public/android:content_java",
     "//printing:printing_java",
     "//sync/android:sync_java",
     "//third_party/android_data_chart:android_data_chart_java",
     "//third_party/android_media:android_media_java",
     "//third_party/android_protobuf:protobuf_nano_javalib",
     "//third_party/android_tools:android_support_v13_java",
     "//third_party/android_tools:android_support_v7_appcompat_java",
@@ skipping 418 matching lines @@
   ]
 }
 
 zip("chrome_version_srcjar") {
   inputs = [
     chrome_version_java_file,
   ]
   output = "$target_gen_dir/$target_name.srcjar"
   base_dir = chrome_version_java_dir
 }