goma: add @google.com too

add @google.com as owners too.
remove sque@

Change-Id: I2f08b67e5b4d2871986ffa0369204f58ae24f427
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2399978
Commit-Queue: Fumitoshi Ukai <ukai@google.com>
Reviewed-by: Takuto Ikuta <tikuta@chromium.org>
Cr-Commit-Position: refs/heads/master@{#805210}

infra/config/subprojects/goma/OWNERS

-sque@chromium.org
 tikuta@chromium.org
+tikuta@google.com
 ukai@chromium.org
+ukai@google.com
 yyanagisawa@chromium.org
+yyanagisawa@google.com