toolchain-utils: check vanilla image before calling crosperf.
In some cases, the vanilla image builds finishes later than the
image from trybot, this could cause the nightly test job fail.
This CL makes sure the vanilla image is ready before calling
crosperf.
BUG=None
TEST=None
Change-Id: Id2f28717c5a8c6c6db0d6c2e240c687199ea6a7c
Reviewed-on: https://chrome-internal-review.googlesource.com/243618
Commit-Ready: Yunlian Jiang <yunlian@google.com>
Tested-by: Yunlian Jiang <yunlian@google.com>
Reviewed-by: Yunlian Jiang <yunlian@google.com>
2 files changed
