Revert of android: Async setupConnection binder call

base/android/java/src/org/chromium/base/process_launcher/ICallbackInt.aidl

Index: base/android/java/src/org/chromium/base/process_launcher/ICallbackInt.aidl
diff --git a/base/android/java/src/org/chromium/base/process_launcher/ICallbackInt.aidl b/base/android/java/src/org/chromium/base/process_launcher/ICallbackInt.aidl
deleted file mode 100644
index db93cb0dbdf51122b90339607cf7f735a1e61fc2..0000000000000000000000000000000000000000
--- a/base/android/java/src/org/chromium/base/process_launcher/ICallbackInt.aidl
+++ /dev/null
@@ -1,9 +0,0 @@
-// Copyright 2017 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.
-
-package org.chromium.base.process_launcher;
-
-oneway interface ICallbackInt {
-    void call(int value);
-}