add box image to resources; landing separately to avoid issues with
trybots for the code that uses this

BUG=
R=epoger@google.com
TBR=epoger
NOTRY=True

Author: humper@google.com

Review URL: https://codereview.chromium.org/303713002

git-svn-id: http://skia.googlecode.com/svn/trunk@14908 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed