Pub/Sub: Remove send/recv msg size limit, update docstrings (via synth).#8964

Merged

tseaver merged 1 commit intomasterfrom autosynth-pubsub

Aug 6, 2019

+227-221

Commits on Aug 6, 2019

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