Updated help thumbnail asset

 Bug: 5479018

Change-Id: Ia77952747d95d8a3dd706896be16da73c2e2c049
diff --git a/res/raw/thumb_help.png b/res/raw/thumb_help.png
index 9f18fc1..d8d72a2 100644
--- a/res/raw/thumb_help.png
+++ b/res/raw/thumb_help.png
Binary files differ