Gclient sync would get stuck if the deps were left in a bad state
from a previous failed roll.  Pass the same args as the Chrome bots
to forcefully sync.

Bug: b/150458033
Change-Id: I6bd1aefbd7e4db22dd08acf781b6a08985f600da
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2551533Reviewed-by: Geoff Lang <geofflang@chromium.org>