Reland "Reland "[UNO] Change reconcilor behavior when user not signed in to chrome""

This is a reland of commit 07e3f75861d73c22a8e176638f3ffe36e4373be3

Original change's description:
> Reland "[UNO] Change reconcilor behavior when user not signed in to chrome"
>
> This is a reland of commit 3ba4805e4d5c68485cec63c5d5f835231d43089c
>
> Original change's description:
> > [UNO] Change reconcilor behavior when user not signed in to chrome
> >
> > This CL does the following:
> > - Disables cookie updates/OAuthMultiLogin when the user is not signed in
> >   to chrome.
> > - In the above mode, accounts in the cookie are the source of truth.
> >   Refresh tokens are updated to match the accounts in the cookie. If a
> >   refresh token doesn't have an account in the gaia cookie or the
> >   account is invalid (session expired) the refresh token is removed from
> >   chrome.
> >
> > Bug: b/320279580
> > Change-Id: I26dc6e62cfba34fd6304f43e8963952bb1fed9a6
> > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5212147
> > Reviewed-by: Alex Ilin <alexilin@chromium.org>
> > Reviewed-by: David Roger <droger@chromium.org>
> > Commit-Queue: Monica Basta <msalama@chromium.org>
> > Cr-Commit-Position: refs/heads/main@{#1251450}
>
> Bug: b/320279580
> Change-Id: Id670fef5a715ad214e3457b1c67ebbbe28259eec
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5258540
> Mega-CQ: Monica Basta <msalama@chromium.org>
> Reviewed-by: Alex Ilin <alexilin@chromium.org>
> Reviewed-by: David Roger <droger@chromium.org>
> Commit-Queue: Monica Basta <msalama@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#1256749}

Bug: b/320279580
Change-Id: I5021f8b3f00b50ea8fb06bbb5d4552c81cd267ed
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5272597
Commit-Queue: Monica Basta <msalama@chromium.org>
Reviewed-by: David Roger <droger@chromium.org>
Reviewed-by: Alex Ilin <alexilin@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1258416}

• chrome/browser/policy/cloud/user_policy_signin_service_browsertest.cc[diff]
• chrome/browser/ui/webui/signin/turn_sync_on_helper_browsertest.cc[diff]
• components/signin/core/browser/BUILD.gn[diff]
• components/signin/core/browser/account_reconcilor.cc[diff]
• components/signin/core/browser/account_reconcilor_delegate.cc[diff]
• components/signin/core/browser/account_reconcilor_delegate.h[diff]
• components/signin/core/browser/account_reconcilor_unittest.cc[diff]
• components/signin/core/browser/dice_account_reconcilor_delegate.cc[diff]
• components/signin/core/browser/dice_account_reconcilor_delegate.h[diff]
• components/signin/core/browser/dice_account_reconcilor_delegate_unittest.cc[Added - diff]
• components/signin/internal/identity_manager/profile_oauth2_token_service.cc[diff]
• components/signin/public/base/signin_metrics.h[diff]
• tools/metrics/histograms/metadata/signin/enums.xml[diff]