[ADLA] - Adding existing Catalog ACL APIs

[AutorestCI]

Generated from RestAPI PR: Azure/azure-rest-api-specs#1952

[codecov-io]

Codecov Report

Merging #1608 into master will decrease coverage by 0.05%.
The diff coverage is 27.17%.

@@            Coverage Diff             @@
##           master    #1608      +/-   ##
==========================================
- Coverage   54.92%   54.87%   -0.06%     
==========================================
  Files        3715     3719       +4     
  Lines       91465    91647     +182     
==========================================
+ Hits        50241    50290      +49     
- Misses      41224    41357     +133

Impacted Files	Coverage Δ
...gmt/datalake/analytics/catalog/models/entity_id.py	66.66% <ø> (ø)	⬆️
...datalake/analytics/catalog/models/usql_assembly.py	33.33% <ø> (ø)	⬆️
...lytics/catalog/models/usql_external_data_source.py	40% <ø> (ø)	⬆️
...nalytics/catalog/models/usql_assembly_file_info.py	57.14% <ø> (ø)	⬆️
.../analytics/catalog/models/usql_table_statistics.py	22.22% <ø> (ø)	⬆️
...talake/analytics/catalog/models/usql_table_type.py	71.42% <ø> (ø)	⬆️
...e/analytics/catalog/models/usql_table_partition.py	100% <ø> (ø)	⬆️
...mt/datalake/analytics/catalog/models/usql_index.py	100% <ø> (ø)	⬆️
...mt/datalake/analytics/catalog/models/usql_table.py	100% <ø> (ø)	⬆️
...analytics/catalog/models/usql_distribution_info.py	100% <ø> (ø)	⬆️
... and 14 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 09e4992...36977d0. Read the comment docs.