tools:benchmark: Add runtime memory usage stat printout (#7210)
tools:benchmark: Add runtime memory usage stat printout (#7210)

Can be used in CI benchmark pipeline to track the runtime memory usage
for models.
google/iree,iree-org/iree,iree-org/iree,google/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,google/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,iree-org/iree