[autotest] Add get_release_version method to servo_host
get_build_id method in autoupdater was removed. Add the new method for
servo_host to use.
BUG=chromium:472135
TEST=local servo test, confirm verify servo works
Change-Id: Ic255dce3b7bfa361204bd6dd7bb03b8f86ec6c5e
Reviewed-on: https://chromium-review.googlesource.com/263245
Trybot-Ready: Dan Shi <dshi@chromium.org>
Tested-by: Dan Shi <dshi@chromium.org>
Reviewed-by: Fang Deng <fdeng@chromium.org>
Commit-Queue: Dan Shi <dshi@chromium.org>
3 files changed