mirror of volley library from android source

from : https://android.googlesource.com/platform/frameworks/volley

original: git clone https://android.googlesource.com/platform/frameworks/volley

update weekly from android source repo

Add FileRequest - download file use Add ByteRequest - Add VolleyBitmapLruCacheHelper - for ImageCache Helper Add Request Progress - For notify Request progress