Add noregression tag to mutex_guarded_test
Add noregression tag to mutex_guarded_test

PiperOrigin-RevId: 245977155
Change-Id: I695a5a8f65bfd0ba67e767f3974fef9716c00dd1

google/asylo,google/asylo,google/asylo,google/asylo,google/asylo,google/asylo