jfbai: Update existing node lease with retry.

JobBuild
7773662b
08-21 03:50		 d5e0b66d
08-21 02:26		 16b2951c
08-21 02:03		 81663
08-20 14:47		 12e71b52
08-20 14:46
pull-kubernetes-bazel-build 1164699791834222592 1164021789748105217 1164000780714250242 1163995000313221120 1163824477998419969
pull-kubernetes-bazel-test 1164720175568654338 1164021789752299520 1164000780718444547 1163995000313221121 1163824478082306048
pull-kubernetes-dependencies 1164699791830028289 1164021789777465345 1164000780802330624 1163995000313221122 1163824477994225667
pull-kubernetes-dependencies-canary 1164021789798436865 1164000780718444546 1163995367079940096 1163995000313221123 1163824478036168704
pull-kubernetes-e2e-gce 1164699791838416896 1164021789806825472 1164000780714250241 1163995000313221124 1163824477998419968
pull-kubernetes-e2e-gce-100-performance 1164699791788085248 1164021789798436864 1164000780777164800 1163995000334192640 1163831017883045888
pull-kubernetes-e2e-gce-device-plugin-gpu 1164021789777465344 1164000780739416064 1163995000288055296 1163824478099083264
pull-kubernetes-e2e-gce-rbe 1164021789852962816 1164000780718444544 1163995367079940097 1163995000309026819 1163824477994225666
pull-kubernetes-integration 1164720057364779008 1164699791771308033 1164021789798436866 1164000780718444545 1163995000338386944 1163824477994225665
pull-kubernetes-kubemark-e2e-gce-big 1164699791804862464 1164021789886517248 1164000900931391488 1163997261122768896 1163842218335670272
pull-kubernetes-node-e2e 1164699791825833984 1164021789748105216 1164000780827496448 1163995000309026816 1163824478061334528
pull-kubernetes-node-e2e-containerd 1164021789827796992 1164000780760387584 1163995000267083776 1163824478078111744
pull-kubernetes-typecheck 1164699791771308032 1164021789886517249 1164000780827496449 1163995000309026817 1163824478099083265
pull-kubernetes-verify 1164699791834222593 1164021789886517250 1164000780827496450 1163995000309026818 1163824478006808576