Use the latest fbjni

libs/fbjni/java/com/facebook/jni/annotations/DoNotStrip.java

@@ -0,0 +1,33 @@
+/**
+ * Copyright 2004-present, Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.facebook.jni.annotations;
+
+import static java.lang.annotation.RetentionPolicy.CLASS;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Add this annotation to a class, method, or field to instruct Proguard to not strip it out.
+ *
+ * This is useful for methods called via reflection that could appear as unused to Proguard.
+ */
+@Target({ ElementType.TYPE, ElementType.FIELD, ElementType.METHOD, ElementType.CONSTRUCTOR })
+@Retention(CLASS)
+public @interface DoNotStrip {
+}