Merging cxxbridge and bridge packages

Reviewed By: javache

Differential Revision: D5027875

fbshipit-source-id: 47e081069d4219bdb29f63ce8a78c1f31a590da7

ReactAndroid/src/main/java/com/facebook/react/bridge/ReactCallback.java

@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+package com.facebook.react.bridge;
+
+import com.facebook.proguard.annotations.DoNotStrip;
+
+@DoNotStrip
+/* package */ interface ReactCallback {
+  @DoNotStrip
+  void onBatchComplete();
+
+  @DoNotStrip
+  void incrementPendingJSCalls();
+
+  @DoNotStrip
+  void decrementPendingJSCalls();
+}