[CTFE] Run on GCE for perf if Windows
[CTFE] Run on GCE for perf if Windows

Bug: skia:8771
Change-Id: I81d111b66c19d6d0b999a212ebddbd243171a944
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/198840
Reviewed-by: Ben Wagner <3ef7217be91069877d94f7907ce5479000772cd3@google.com>
Commit-Queue: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot