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/image/Image.java

@@ -71,6 +71,14 @@ public final class Image {
         return newFromAddr(nativeDecodeFdInt(fd));
     }
 
+    /**
+     * Decode image from {@code InputStream}
+     */
+    @Nullable
+    public static Image decodeAddr(Long addr, boolean partially) {
+        return newFromAddr(nativeDecodeAddr(addr));
+    }
+
     /**
      * Create a plain image from Bitmap
      */
@@ -91,6 +99,8 @@ public final class Image {
 
     private static native long nativeDecodeFdInt(int fd);
 
+    private static native long nativeDecodeAddr(long addr);
+
     private static native long nativeCreate(Bitmap bitmap);
 
     private static native void nativeRender(long nativePtr,