customtabs: Convert to the new AIDL interface.

third_party/android_customtabs/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("//build/config/android/rules.gni")
+
+assert(is_android)
+
+android_aidl("android_customtabs_service_aidl") {
+  import_include = "customtabs/src/android/support/customtabs"
+  interface_file = "customtabs/src/android/support/customtabs/common.aidl"
+  sources = [
+    "customtabs/src/android/support/customtabs/ICustomTabsCallback.aidl",
+    "customtabs/src/android/support/customtabs/ICustomTabsService.aidl",
+  ]
+}
+
+android_library("android_customtabs_lib") {
+  DEPRECATED_java_in_dir = "customtabs/src"
+  srcjar_deps = [ ":android_customtabs_service_aidl" ]
+}