Update consent level for reading profile email

Existing GetProfileUserName() method returns profile email only
for users with sync consent. This cl updates the method to return
the email also for unconsented users as this seems to be expected
behavior.

Change-Id: I2ab687251662b3b16a475e863bc9db0690e6d03b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3687440


Reviewed-by: Nohemi Fernandez <fernandex@chromium.org>
Reviewed-by: Monica Basta <msalama@chromium.org>
Commit-Queue: Aga Wronska <agawronska@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1012852}