Lint changes in torq.py, tests/torq_unit_test.py, and command_executor.py

Minor lint changes include renaming the
verify_args_valid method to verify_args in torq.py,
integrating this method name change into
tests/torq_unit_test.py, slightly modifying the name
of a test in tests/torq_unit_test.py, and changing 2
Exception raises to ValueError raises in
command_executor.py.

Test: atest torq_unit_test
Bug: 352570509

Change-Id: I5655af3599efaac4782b788a77cf6a4b378edbab
3 files changed