superpmi: add coreclr test run collection

[BruceForstall]

We currently collect crossgen2/PMI of tests in AzDO superpmi collection automation. We should also collect run of coreclr tests.

category:eng-sys
theme:super-pmi
skill-level:beginner
cost:small
impact:large

[BruceForstall]

"run" collection of coreclr tests is done.

Remaining work is "run" collection of libraries tests.