[Sync ESB] Replace an icon with the grey info icon

In the Android notification modal, the current icon we are using is a
branded icon. Per UX team's request, we are replacing it with a generic
grey outline info icon.

Before: https://screenshot.googleplex.com/8VEN3nmWNa2yeGH
After: https://screenshot.googleplex.com/4j3PVofc5sEZ8yF

Bug: 400575010
Change-Id: Ib4737545677d694fac3485ec588e747829e36599
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6324063
Reviewed-by: Michael Thiessen <mthiesse@chromium.org>
Commit-Queue: Zack Han <zackhan@chromium.org>
Reviewed-by: Javier Castro <jacastro@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1428322}