Move //mojo/services/X/public/... to //mojo/services/X/... (part 1).

services/contacts/BUILD.gn

 # Copyright 2015 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("//mojo/android/rules.gni")
 
 mojo_android_java_application("contacts") {
   sources = [
     "src/org/chromium/services/contacts/ContactsApplicationDelegate.java",
     "src/org/chromium/services/contacts/ContactsServiceImpl.java",
   ]
 
   mojo_main = "org.chromium.services.contacts.ContactsApplicationDelegate"
 
   deps = [
     "//mojo/public/interfaces/application:application_java",
     "//mojo/public/java:bindings",
     "//mojo/public/java:system",
     "//mojo/public/java:application",
-    "//mojo/services/contacts/public/interfaces:interfaces_java",
+    "//mojo/services/contacts/interfaces:interfaces_java",
   ]
 }
 
 mojo_native_application("apptests") {
   output_name = "contacts_apptests"
 
   testonly = true
 
   sources = [
     "contacts_apptest.cc",
   ]
 
   deps = [
     "//base",
     "//mojo/application",
     "//mojo/application:test_support",
     "//mojo/public/cpp/bindings",
-    "//mojo/services/contacts/public/interfaces",
+    "//mojo/services/contacts/interfaces",
   ]
 
   data_deps = [ ":contacts($default_toolchain)" ]
 }