Links to the Python script in CaptureAndReplay.md
Links to CaptureAndReplay.md's testing section in the Python script

Bug: angleproject:4817
Change-Id: I584f8508661950e4907dae1adb8f0fe300387198
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2309226
Commit-Queue: Manh Nguyen <nguyenmh@google.com>
Reviewed-by: Cody Northrop <cnorthrop@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>