Android U: rolling DEPS entries to start using Android U by default

Bug: 1445802, 1417656
Change-Id: I527e884638ec7e4f6b5572cfea44ef1c8425448e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4621418
Auto-Submit: Sam Maier <smaier@chromium.org>
Code-Coverage: Findit <findit-for-me@appspot.gserviceaccount.com>
Commit-Queue: Sam Maier <smaier@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Owners-Override: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1165703}
NOKEYCHECK=True
GitOrigin-RevId: e8453fea0e2153bd7cfa64012ffdae632ed2fd23