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 "_".

Bug: b/80096930
Change-Id: Icdf790b0975f7c4205153887ffabaaaa85f07592
Reviewed-on: https://skia-review.googlesource.com/129581
Reviewed-by: Stephan Altmueller <stephana@google.com>
Commit-Queue: Derek Sollenberger <djsollen@google.com>
(cherry picked from commit 749f6213768f828d98266d81e7be3198cbe6dca5)
Reviewed-on: https://skia-review.googlesource.com/129620
2 files changed