ARROW-17310: [C++] Expose RBR:Make() from Iterator<RB>

[wjones127]

No description provided.

[github-actions]

https://issues.apache.org/jira/browse/ARROW-17310

[github-actions]

⚠️ Ticket has not been started in JIRA, please click 'Start Progress'.

[lidavidm]

Looks like the integration test failure is legitimate, though: adding the overload makes a call ambiguous. Maybe it should be MakeFromIterator then?

[ursabot]

Benchmark runs are scheduled for baseline = 9f1b559 and contender = c1af787. c1af787 is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Finished ⬇️0.0% ⬆️0.0%] ec2-t3-xlarge-us-east-2
[Failed ⬇️0.41% ⬆️0.0%] test-mac-arm
[Finished ⬇️3.26% ⬆️0.0%] ursa-i9-9960x
[Finished ⬇️0.53% ⬆️0.64%] ursa-thinkcentre-m75q
Buildkite builds:
[Finished] c1af7872 ec2-t3-xlarge-us-east-2
[Finished] c1af7872 test-mac-arm
[Finished] c1af7872 ursa-i9-9960x
[Finished] c1af7872 ursa-thinkcentre-m75q
[Finished] 9f1b559d ec2-t3-xlarge-us-east-2
[Failed] 9f1b559d test-mac-arm
[Finished] 9f1b559d ursa-i9-9960x
[Finished] 9f1b559d ursa-thinkcentre-m75q
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java

[ursabot]

['Python', 'R'] benchmarks have high level of regressions.
ursa-i9-9960x