Firestore: add Watch Support

[crwilcox]

No description provided.

[googlebot]

So there's good news and bad news.

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[tseaver]

Do we need to hold off merging this until we get the conformance tests back into shape? At a minimum, we shouldn't be making another firestore release while they are borked.

[crwilcox]

@tseaver , we can't release, but we could merge this while doing conformance testing. I should have a new merge coming in that removes some TODO items. Unless there is a reason getting this in before figuring out conformance I have no problem keeping it open since we can't release until after anyway.

[googlebot]

So there's good news and bad news.

👍 The good news is that everyone that needs to sign a CLA (the pull request submitter and all commit authors) have done so. Everything is all good there.

😕 The bad news is that it appears that one or more commits were authored or co-authored by someone other than the pull request submitter. We need to confirm that all authors are ok with their commits being contributed to this project. Please have them confirm that here in the pull request.

Note to project maintainer: This is a terminal state, meaning the cla/google commit status will not change from this state. It's up to you to confirm consent of all the commit author(s), set the cla label to yes (if enabled on your project), and then merge this pull request when appropriate.

[googlebot]

A Googler has manually verified that the CLAs look good.

(Googler, please make sure the reason for overriding the CLA status is clearly documented in these comments.)

[googlebot]

So there's good news and bad news.

👍 The good news is that everyone that needs to sign a CLA (the pull request submitter and all commit authors) have done so. Everything is all good there.

😕 The bad news is that it appears that one or more commits were authored or co-authored by someone other than the pull request submitter. We need to confirm that all authors are ok with their commits being contributed to this project. Please have them confirm that here in the pull request.

Note to project maintainer: This is a terminal state, meaning the cla/google commit status will not change from this state. It's up to you to confirm consent of all the commit author(s), set the cla label to yes (if enabled on your project), and then merge this pull request when appropriate.

[gabisurita]

Hi! When can I expect a release from google-cloud-firestore including these changes?

[matej-svejda]

I would also be very much interested in knowing when this will be released. Keep up the great work guys :)