[BEAM-13321] Pass TempLocation as pipeline option to Dataflow Go for XLang.

[youngoli]

This works because only options in that dataflowOptions struct are visible to Java and Python SDK Harnesses, so any flags needed for cross-language pipelines must be added to that struct.

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ValidatesRunner compliance status (on master branch)

Lang	ULR	Dataflow	Flink	Samza	Spark	Twister2
Go	---					---
Java
Python	---					---
XLang						---

Examples testing status on various runners

Lang	ULR	Dataflow	Flink	Samza	Spark	Twister2
Go	---	---	---	---	---	---	---
Java	---		---	---	---	---	---
Python	---	---	---	---	---	---	---
XLang	---	---	---	---	---	---	---

Post-Commit SDK/Transform Integration Tests Status (on master branch)

Go	Java	Python

Pre-Commit Tests Status (on master branch)

---	Java	Python	Go	Website	Whitespace	Typescript
Non-portable
Portable	---			---	---	---

See .test-infra/jenkins/README for trigger phrase, status and link of all Jenkins jobs.

GitHub Actions Tests Status (on master branch)

See CI.md for more information about GitHub Actions CI.

[youngoli]

R: @lostluck @chamikaramj

[codecov]

Codecov Report

Merging #16069 (a8bcfc2) into master (042547c) will decrease coverage by 28.52%.
The diff coverage is 0.00%.

@@             Coverage Diff             @@
##           master   #16069       +/-   ##
===========================================
- Coverage   74.61%   46.08%   -28.53%     
===========================================
  Files         640      195      -445     
  Lines       80861    19458    -61403     
===========================================
- Hits        60331     8967    -51364     
+ Misses      19561     9522    -10039     
  Partials      969      969               

Impacted Files	Coverage Δ
...ks/go/pkg/beam/runners/dataflow/dataflowlib/job.go	16.06% <0.00%> (-0.09%)	⬇️
...dks/python/apache_beam/transforms/external_java.py
...hon/apache_beam/runners/direct/test_stream_impl.py
.../internal/clients/dataflow/dataflow_v1b3_client.py
..._beam/testing/benchmarks/nexmark/queries/query1.py
sdks/python/apache_beam/examples/wordcount.py
...am/testing/benchmarks/nexmark/models/field_name.py
sdks/python/apache_beam/runners/worker/__init__.py
...testing/benchmarks/nexmark/models/nexmark_model.py
sdks/python/apache_beam/transforms/resources.py
... and 436 more

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[lostluck]

I guess we never had that field before. Neat!

[youngoli]

Run Go PostCommit

[aaltay]

What is the next step on this PR?

[lostluck]

I usually let @youngoli merge their own PRs.