Feature Request

Is your feature request related to a problem? Please describe:
Now, we run page_stress_testing by:

ninja page_stress_testing
./dbms/src/Storages/Page/page_stress_testing [args]

Describe the feature you'd like:

1. As a subcommand of tiflash, so we don't need to worry about compiling and packaging.
2. And page_stress_testing can be added to QA's test platform to facilitate performance regression and stability testing

Describe alternatives you've considered:

Teachability, Documentation, Adoption, Migration Strategy: