Mock time_time so that time.time is not called from ThreadPoolTest tests,
so that the execution time doesn't change between executions.
Bug: 1047631
Change-Id: I4f4ac30ca6a2ee3be25830c0e17a9f29a9c0c999
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2036477
Reviewed-by: Anthony Polito <apolito@google.com>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>