swarming: apply `git cl format` to task_to_run_test.py
swarming: apply `git cl format` to task_to_run_test.py

This CL is format change only.

This is to reduce noise in crrev.com/c/2089152

Bug: 1057886
Change-Id: I5bd6594ab6c9c4cace865ce6784cc272f70e860f
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-py/+/2089166
Commit-Queue: Junji Watanabe <aaef61ef98ffea505db831f310be2a0eb8492537@google.com>
Reviewed-by: Ye Kuang <1cd89f22f3967fc3dcb883b53940be4b98ec483f@google.com>
Reviewed-by: Yoshisato Yanagisawa <5d95c5c75e3d691d9c77888fff4498e04f8b7157@google.com>
Reviewed-by: Junji Watanabe <aaef61ef98ffea505db831f310be2a0eb8492537@google.com>
Auto-Submit: Takuto Ikuta <71927f930fca81015e0f496c65cd126ab1a692e3@chromium.org>

luci/luci-py,luci/luci-py,luci/luci-py,luci/luci-py