[7.9] [build] Retry docker pull (#80432)#80773

Merged

tylersmalley merged 1 commit intoelastic:7.9from tylersmalley:backport/7.9/pr-80432

Oct 19, 2020

+27-1

Commits on Oct 15, 2020

[build] Retry docker pull (elastic#80432 )
Tyler Smalley
committed