HADOOP-16589. [pb-upgrade] Update docker image to make 3.7.1 protoc as default#1482

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vinayakumarb merged 2 commits intoapache:trunkfrom

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Sep 21, 2019

Commits on Sep 20, 2019

HADOOP-16589. [pb-upgrade] Update docker image to make 3.7.1 protoc as default
vinayakumarb
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Commits on Sep 21, 2019

Updated comment in Dockerfile
vinayakumarb
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