Introduce a layering in the invalidation component as public and impl

chrome/test/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/rules.gni")
 
 # GYP: //chrome/chrome_tests.gypi:chrome_java_test_support
 android_library("chrome_java_test_support") {
   testonly = true
   DEPRECATED_java_in_dir = "javatests/src"
   deps = [
     "//base:base_java",
     "//base:base_java_test_support",
     "//chrome/android:chrome_java",
     "//chrome/android:chrome_java_resources",
     "//components/bookmarks/common/android:bookmarks_java",
-    "//components/invalidation:java",
+    "//components/invalidation/impl:java",
     "//components/web_contents_delegate_android:web_contents_delegate_android_java",
     "//content/public/android:content_java",
     "//content/public/test/android:content_java_test_support",
     "//net/android:net_java",
     "//net/android:net_java_test_support",
     "//sync/android:sync_java",
     "//sync:sync_java_test_support",
     "//testing/android/reporter:reporter_java",
     "//third_party/android_tools:android_support_v7_appcompat_java",
     "//third_party/android_tools:android_support_v13_java",
     "//third_party/jsr-305:jsr_305_javalib",
     "//ui/android:ui_java",
   ]
 }
 
 # TODO(newt): delete this once all references are gone.
 group("chrome_staging_test_support_java") {
 }