[chromeperf] update requirements.txt for third party libraries needed on app engine
[chromeperf] update requirements.txt for third party libraries needed on app engine

Note that there are limits on using new third party libraries on Python 2 runtime. E.g., we cannot add PyCryptodome in the existing yaml files. Deploy will fail with this message: the library "PyCryptodome" is not supported.

Bug: chromium:1329893

Change-Id: I3f10138cb19285c97be0ac70dc25bd3c398e3260
Reviewed-on: https://chromium-review.googlesource.com/c/catapult/+/3681818
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