Regenerate firestore client

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Here's the log from Synthtool:

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/google-cloud-clients/google-cloud-firestore/synth.py.
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:0954ba3e40d694e631bb2f39460d502a3d9f3a66d40b7a9a67f4b30012195beb
Status: Image is up to date for googleapis/artman:latest
synthtool > Cloning googleapis.
synthtool > Running generator for google/firestore/artman_firestore.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/java.
synthtool > Running java formatter on 86 files
synthtool > Running java formatter on 1 files
synthtool > Running java formatter on 87 files
synthtool > Running generator for google/firestore/artman_firestore_v1.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/java.
synthtool > Running java formatter on 86 files
synthtool > Running java formatter on 1 files
synthtool > Running java formatter on 87 files
synthtool > Cleaned up 0 temporary directories.
synthtool > Wrote metadata to synth.metadata.

[sduskis]

@andreamlin, it looks like we need to restore format* methods here as well.

[andreamlin]

I had checked in a bug recently that took out all the formatting methods. That functionality should be restored now!

[sduskis]

I'm going to close this PR and wait for the next generation.