gvisor/tests: save runsc logs for each container in a separate directory
gvisor/tests: save runsc logs for each container in a separate directory

PiperOrigin-RevId: 232990964
Change-Id: Icfa426d5e83c7d3e56b0b92e6a9e1229bcb8361b

google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor