Add a new image for the overlay of Safety and Regulatory manual

Sunfish has a new image for Safety and Regulatory manual update, we
have to create a new empty image in SafetyRegulatoryInfo for overlay,
otherwise the new image is not able to show on the regulatory manual
page successfully.

Test: visual
Bug: 169245990
Change-Id: Ic8d853cdfec69e54cf851c6b77a6027c2feb946d
(cherry picked from commit 10aef16e62c42aeade377738669e8b042278691d)
1 file changed