Regenerate trace 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-trace/synth.py.
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:9caadfa59d48224cba5f3217eb9d61a155b78ccf31e628abef385bc5b7ed3bd2
Status: Image is up to date for googleapis/artman:latest
synthtool > Cloning googleapis.
synthtool > Running generator for google/devtools/cloudtrace/artman_cloudtrace_v1.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/java.
synthtool > Running java formatter on 22 files
synthtool > Running java formatter on 1 files
synthtool > Running java formatter on 15 files
synthtool > Running generator for google/devtools/cloudtrace/artman_cloudtrace_v2.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/java.
synthtool > Running java formatter on 22 files
synthtool > Running java formatter on 1 files
synthtool > Running java formatter on 16 files
synthtool > Cleaned up 0 temporary directories.
synthtool > Wrote metadata to synth.metadata.

Codecov Report

Merging #4649 into master will increase coverage by 0.17%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master    #4649      +/-   ##
============================================
+ Coverage     49.34%   49.52%   +0.17%     
- Complexity    22146    22903     +757     
============================================
  Files          2090     2090              
  Lines        208880   212278    +3398     
  Branches      24124    24129       +5     
============================================
+ Hits         103074   105129    +2055     
- Misses        97609    98735    +1126     
- Partials       8197     8414     +217

Impacted Files	Coverage Δ	Complexity Δ
.../com/google/cloud/trace/v1/TraceServiceClient.java	69.64% <100%> (+0.55%)	14 <0> (ø)	⬇️
...oogle/cloud/firestore/v1beta1/FirestoreClient.java	53.91% <0%> (-4.36%)	46% <0%> (+17%)
...com/google/cloud/firestore/v1/FirestoreClient.java	53.91% <0%> (-4.36%)	46% <0%> (+17%)
...gle/cloud/dataproc/v1/ClusterControllerClient.java	74.68% <0%> (-3.42%)	42% <0%> (+13%)
...loud/dataproc/v1beta2/ClusterControllerClient.java	74.68% <0%> (-3.42%)	42% <0%> (+13%)
...le/cloud/dataproc/v1beta2/JobControllerClient.java	75.37% <0%> (-2.79%)	35% <0%> (+10%)
.../google/cloud/dataproc/v1/JobControllerClient.java	75.37% <0%> (-2.79%)	35% <0%> (+10%)
.../cloud/monitoring/v3/UptimeCheckServiceClient.java	56.75% <0%> (-2.34%)	33% <0%> (+10%)
...le/cloud/dialogflow/v2beta1/EntityTypesClient.java	50.98% <0%> (-1.97%)	71% <0%> (+18%)
.../google/cloud/dialogflow/v2/EntityTypesClient.java	50.98% <0%> (-1.97%)	71% <0%> (+18%)
... and 34 more

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