Update fbjni

Summary: Update yoga's copy of fbjni to include some missing java files.

Reviewed By: IanChilds

Differential Revision: D4953841

fbshipit-source-id: 74d5c617a6fcd11e82c86f03e61448b14a34b86b

lib/fb/src/main/java/com/facebook/jni/NativeRunnable.java

@@ -0,0 +1,28 @@
+/**
+ * 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.jni;
+
+import com.facebook.jni.HybridData;
+import com.facebook.proguard.annotations.DoNotStrip;
+
+/**
+ * A Runnable that has a native run implementation.
+ */
+@DoNotStrip
+public class NativeRunnable implements Runnable {
+
+  private final HybridData mHybridData;
+
+  private NativeRunnable(HybridData hybridData) {
+    mHybridData = hybridData;
+  }
+
+  public native void run();
+}