[Catapult] Update devil python tests script path based on python version
[Catapult] Update devil python tests script path based on python version

Use the correct name for devil tests, otherwise the tests will be skipped and status 1 will be returned:
https://source.chromium.org/chromium/chromium/src/+/main:third_party/catapult/devil/bin/run_py_tests;l=21

Bug: chromium:1221663
Change-Id: If41c621e12c323f824da8886ed3763c4e686c8c1
Reviewed-on: https://chromium-review.googlesource.com/c/catapult/+/3021487
Auto-Submit: Wenbin Zhang <45ad8a1ff616a38a2202fd35571df81897c5f14f@google.com>
Commit-Queue: John Chen <334fbfbb4df7c78f091ea1b77c69ca6ac731a3f3@chromium.org>
Reviewed-by: John Chen <334fbfbb4df7c78f091ea1b77c69ca6ac731a3f3@chromium.org>

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