Update AdAway and show icon in launcher

Change-Id: I408ec9d741ad33ef530a456f177e2b4decc34b10
diff --git a/prebuilt/AdAway/AdAway.apk b/prebuilt/AdAway/AdAway.apk
old mode 100644
new mode 100755
index 83c5fbb..fa761e1
--- a/prebuilt/AdAway/AdAway.apk
+++ b/prebuilt/AdAway/AdAway.apk
Binary files differ