cmd: add file lock to work around port conflict (#7355)#7447

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sre-bot merged 11 commits intotikv:release-4.0from sre-bot:release-4.0-2c5dad365bc8

Apr 23, 2020

+74-5

Commits on Apr 13, 2020

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Commits on Apr 22, 2020

Commits on Apr 23, 2020