nckturner: Fix ECR provider startup latency

JobBuild
d422a92e
03-19 23:39		 897018a5
03-12 23:11		 10acb181
03-12 19:12		 25ef8539
03-11 19:28		 d4155860
02-23 06:06		 38b03448
02-23 05:35		 93260
02-22 21:48		 4ddbae65
02-22 21:47
pull-kubernetes-bazel-build 1364094081705185280 1364086460906475520 1363968668811137024
pull-kubernetes-bazel-test 1364094081751322624 1364086460952612864 1363968668848885760
pull-kubernetes-conformance-kind-ga-only-parallel 1373056478658695168 1370512833330024448 1370452652919361536 1370094326217969664 1364094084016246784 1364086461183299584 1363968669129904128
pull-kubernetes-dependencies 1373056478528671744 1370512833137086464 1370452652759977984 1370094326020837376 1364094081801654272 1364086460973584384 1363968668886634496
pull-kubernetes-e2e-gce-100-performance 1373056478763552768 1370513001257373696 1370452653024219136 1370094326339604480 1364094100902514688 1364086461258797056 1363968669209595904
pull-kubernetes-e2e-gce-ubuntu-containerd 1373056478553837568 1370512833174835200 1370452652793532416 1370094326062780416 1364094081847791616 1364086461019721728 1363968668936966144
pull-kubernetes-e2e-kind 1373056478604169216 1370512833262915584 1370465014770569216 1370452652864835584 1370119331580481536 1370094326138277888 1364094082384662528 1364086461099413504 1363968669033435136
pull-kubernetes-e2e-kind-ipv6 1373056478633529344 1370528150089371648 1370512833292275712 1370452652890001408 1370094326176026624 1364094083173191680 1364086461145550848 1363968669087961088
pull-kubernetes-integration 1373056478579003392 1370512833212583936 1370452652827086848 1370094326100529152 1364094081877151744 1364086461061664768 1363968668999880704
pull-kubernetes-node-crio-e2e 1373056478729998336
pull-kubernetes-node-e2e 1373056478704832512 1370512833397133312 1370452652982276096 1370094326297661440 1364094084947382272 1364086461221048320 1363968669167652864
pull-kubernetes-typecheck 1373056479384309760 1370512833472630784 1370452653049384960 1370094326377353216 1364094091658268672 1364086461741142016 1363968669675163648
pull-kubernetes-unit 1373056478679666688 1370512833371967488 1370452652952915968 1370094326251524096
pull-kubernetes-verify 1373056481049448448 1370512834819002368 1370452654433505280 1370094327698558976 1364094094183239680 1364086463418863616 1363968671327719424
pull-kubernetes-verify-govet-levee 1373056480206393344 1370512833975947264 1370452653598838784 1370094326872281088 1364094093335990272 1364086462575808512 1363968670493052928