Add runtime error inspection

The script_wrapper module can inspect with two different pattern
matching parsers:
- warnings
- runtime errors
It will throw StepFailure when the number of matches are greater than
threshold.

Change-Id: I37a6884382aef16329805af8e489e81e88a73c6f
Bug: b:198219807
Reviewed-on: https://chromium-review.googlesource.com/c/codecs/infra/+/3174517
Commit-Queue: Roberto Alanis Baez <alanisbaez@google.com>
Reviewed-by: James Zern <jzern@google.com>
20 files changed