[AutoPR dns/resource-manager] Use common arm definitions for dns

[AutorestCI]

Created to sync Azure/azure-rest-api-specs#3502

[AutorestCI]

(message created by the CI based on PR content)

Installation instruction

Package azure-mgmt-dns

You can install the package azure-mgmt-dns of this PR using the following command:
pip install "git+https://github.com/Azure/azure-sdk-for-python@restapi_auto_3502#egg=azure-mgmt-dns&subdirectory=azure-mgmt-dns"

You can build a wheel to distribute for test using the following command:
pip wheel --no-deps "git+https://github.com/Azure/azure-sdk-for-python@restapi_auto_3502#egg=azure-mgmt-dns&subdirectory=azure-mgmt-dns"

If you have a local clone of this repository, you can also do:

• git checkout restapi_auto_3502
• pip install -e ./azure-mgmt-dns

Or build a wheel file to distribute for testing:

• git checkout restapi_auto_3502
• pip wheel --no-deps ./azure-mgmt-dns

Direct download

Your files can be directly downloaded here:

• azure-mgmt-dns-2.0.0rc2.zip
• azure_mgmt_dns-2.0.0rc2-py2.py3-none-any.whl

[codecov-io]

Codecov Report

Merging #3004 into restapi_auto_dns/resource-manager will increase coverage by <.01%.
The diff coverage is 88.05%.

@@                          Coverage Diff                          @@
##           restapi_auto_dns/resource-manager    #3004      +/-   ##
=====================================================================
+ Coverage                              56.35%   56.36%   +<.01%     
=====================================================================
  Files                                   8124     8130       +6     
  Lines                                 166282   166326      +44     
=====================================================================
+ Hits                                   93714    93752      +38     
- Misses                                 72568    72574       +6

Impacted Files	Coverage Δ
...re/mgmt/dns/v2018_03_01_preview/models/resource.py	100% <ø> (ø)	⬆️
...t/dns/v2018_03_01_preview/dns_management_client.py	36.66% <ø> (ø)	⬆️
...re/mgmt/dns/v2018_03_01_preview/models/zone_py3.py	100% <100%> (ø)	⬆️
...dns/v2018_03_01_preview/models/tracked_resource.py	100% <100%> (ø)
...re/mgmt/dns/v2018_03_01_preview/models/__init__.py	100% <100%> (ø)	⬆️
...v2018_03_01_preview/models/tracked_resource_py3.py	100% <100%> (ø)
.../azure/mgmt/dns/v2018_03_01_preview/models/zone.py	100% <100%> (ø)	⬆️
...gmt/dns/v2018_03_01_preview/models/resource_py3.py	100% <100%> (ø)	⬆️
...2018_03_01_preview/models/azure_entity_resource.py	71.42% <71.42%> (ø)
..._03_01_preview/models/azure_entity_resource_py3.py	71.42% <71.42%> (ø)
... and 10 more

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[AutorestCI]

This PR has been merged into #3000