docs(documentai): add 2.7 deprecation warning (via synth)#10041

Merged

busunkim96 merged 1 commit intomasterfrom autosynth-documentai

Jan 8, 2020

+3,438-5

Commits on Jan 3, 2020

[CHANGE ME] Re-generated documentai to pick up changes in the API or client library generator.
yoshi-automation
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