[ios] Add High Priority timeout to Overlay Infobars

Crash Restore Infobar banners display longer than other Infobars.
This change adds functionality for this distinction and implements
the longer presentation for the crash restore Infobar.

Bug: 1071914
Change-Id: Ib71d7961681a06c8728230ce728457421b145f09
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2342142
Reviewed-by: Sergio Collazos <sczs@chromium.org>
Commit-Queue: Chris Lu <thegreenfrog@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#796610}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: e7f0733c94364e2e9861191a2be5a351ea230592
24 files changed