Remove "/" from the generated jUnit method names.

The "/" character is not a valid character for method names in the
CTS testing environment and is causing problems with some of the
tooling so we are replacing the "/" with "_".

cherry picked from commit e4201104f1659e5ca283f0126f42403609e379d7
Reviewed-on: https://skia-review.googlesource.com/129620

Bug: 80096930
Test: atest CtsSkQPTestCases
Change-Id: Ia260eed13d590ecc90debfb7050a0ff295a76885
2 files changed