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update the banner images on the security, cookies, and permissions settings subpages

Bug: 1032584
Change-Id: Ibb0c6d7f7b8eb1a31487746baf6f774ff6c2e3c1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2150427Reviewed-by: dpapad <dpapad@chromium.org>
Commit-Queue: Sean Harrison <harrisonsean@chromium.org>
Cr-Commit-Position: refs/heads/master@{#759381}