Torch: signal to framework TorchService not to kill us

Change-Id: I1f7f3d1cde7596919da2132748f02cae25cdf5e8
Signed-off-by: Roman Birg <roman@cyngn.com>
(cherry picked from commit b7d5f5d1c096d5dec32af5d4255d8cfcfe9ca416)