[Catapult] fix the usage of time.clock in python 3
[Catapult] fix the usage of time.clock in python 3

This fixed the ts server issue in common tests, and looks like it helps with Telemetry Integration Tests with Stable Browser and Vinn test as well.

Bug: chromium:1199455
Change-Id: I553dfeb11c5b2a3fe922893a1132bff0110ec2bb
Reviewed-on: https://chromium-review.googlesource.com/c/catapult/+/3131640
Reviewed-by: John Chen <334fbfbb4df7c78f091ea1b77c69ca6ac731a3f3@chromium.org>
Commit-Queue: Wenbin Zhang <45ad8a1ff616a38a2202fd35571df81897c5f14f@google.com>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult