Revert "archive: Use memfd instead"

* It sucks, seems simplify the conditions, but more syscalls are
  made(read/seek/write), more context switch, futhermore AImageDecoder itself does support
  read raw buffer, and we are not intend to support multi-process decoding

This reverts commit f4826ea727.

app/src/main/java/com/hippo/UriArchiveAccessor.java

@@ -21,6 +21,10 @@ package com.hippo;
 import android.content.Context;
 import android.net.Uri;
 import android.os.ParcelFileDescriptor;
+import android.system.Os;
+import android.system.OsConstants;
+
+import java.io.FileDescriptor;
 
 public class UriArchiveAccessor {
     ParcelFileDescriptor pfd;
@@ -39,7 +43,7 @@ public class UriArchiveAccessor {
 
     private native int openArchive(int fd, long size);
 
-    public native int extractToMemfd(int index);
+    public native long extracttoOutputStream(int index);
 
     public native boolean needPassword();