gerrit_util: Always use SSO in Cog

Bug: 396027841
Change-Id: I0e4f8442b0b630afaf1b716115007af3cbf6ee38
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/6306288
Commit-Queue: Allen Li <ayatane@chromium.org>
Reviewed-by: Josip Sokcevic <sokcevic@chromium.org>

gerrit_util.py

@@ -190,6 +190,9 @@ def ShouldUseSSO(host: str, email: str) -> bool:
     if not ssoHelper.find_cmd():
         LOGGER.debug("SSO=False: no SSO command")
         return False
+    if gclient_utils.IsEnvCog():
+        LOGGER.debug("SSO=True: in Cog")
+        return True
     if not email:
         LOGGER.debug(
             "SSO=True: email is empty or missing (and SSO command available)")