Rolling ANGLE into AOSP is done with an @google.com account so we need
to have @google.com accounts in the OWNERS file to land rolls.

Will add more @google.com accounts if this is successful.

BUG=angleproject:2344

Change-Id: I0319656a5ee5d3cc6403906ae6756721608c773b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2068124
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>