Clarify newCCResolverWrapper documentation.

[gnoack]

I think the goroutine does not get started any more (this used to be the case in an earlier version).

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[menghanl]

Thanks for the change. LGTM.

Can you please also sign the CLA? Merge is blocked by the CLA check. Thanks!

[gnoack]

Hmm, the LinuxFoundation page says "You are already authorized to contribute code to this project through your membership with Google." Not sure why this is still red. I'll give it another day or so, in case it's a propagation delay.

[gnoack]

Ah, it worked :)

[menghanl]

Thanks!