[misc] use a common environment variable for the graceful shutdown delay GitOrigin-RevId: 010e83c62eff7bedac3b10e36e9b4f38d6459a1c
[misc] use a common environment variable for the graceful shutdown delay GitOrigin-RevId: 010e83c62eff7bedac3b10e36e9b4f38d6459a1c