new_variant: add support for Geralt

BUG=b:270638214
TEST=./new_variant_fulltest.sh geralt
     w/ ignore_cb_template PASS
     w/o ignore_cb_template FAIL

Change-Id: I2a3364889d79ba0813a8371c1b656c6e1a93d1d4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/4318905
Tested-by: Knox Chiou <knoxchiou@chromium.org>
Commit-Queue: Knox Chiou <knoxchiou@chromium.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
9 files changed