Cherry-pick #15668 to 7.7: Support application default credentials (ADC) for Google Pub/Sub#17791

Merged

andrewkroh merged 3 commits intoelastic:7.7from andrewkroh:backport_15668_7.7

May 13, 2020

+99-11

Commits on May 2, 2020

Support application default credentials (ADC) for Google Pub/Sub (elastic#15668 )

mwasilew2
authored and
andrewkroh
committed

Commits on May 12, 2020