USE GCE Credentials for Chrome Bot In case of bot, use GCE instead of automatic_auth which will no longer fall back to ADC (and hence GCE). Bug: b/319246651 Change-Id: I86942c30bea911b1cc89870a748bf564584af660 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5249329 Commit-Queue: Cody Northrop <cnorthrop@google.com> Reviewed-by: Cody Northrop <cnorthrop@google.com>