pt 1 in reviving the android build (copied from pm 28a1, wish me luck)

mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/cache/Resource.java

@@ -0,0 +1,60 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+package ch.boye.httpclientandroidlib.client.cache;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Serializable;
+
+/**
+ * Represents a disposable system resource used for handling
+ * cached response bodies.
+ *
+ * @since 4.1
+ */
+public interface Resource extends Serializable {
+
+    /**
+     * Returns an {@link InputStream} from which the response
+     * body can be read.
+     * @throws IOException
+     */
+    InputStream getInputStream() throws IOException;
+
+    /**
+     * Returns the length in bytes of the response body.
+     */
+    long length();
+
+    /**
+     * Indicates the system no longer needs to keep this
+     * response body and any system resources associated with
+     * it may be reclaimed.
+     */
+    void dispose();
+
+}