Rename config.json to aos_config.json

Plenty of other things are called config.json, so let's pick a more
unique name.

Change-Id: I6510a172ec62674dd1b11bd71cef9aac2480c612
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/y2020/web_proxy.sh b/y2020/web_proxy.sh
index 8e1a570..16a292a 100755
--- a/y2020/web_proxy.sh
+++ b/y2020/web_proxy.sh
@@ -1 +1 @@
-./aos/network/web_proxy_main --config=y2020/config.json --data_dir=y2020/www
+./aos/network/web_proxy_main --config=y2020/aos_config.json --data_dir=y2020/www