Add support for object list using certain Admin SDKs

[abhis3]

Description

Add support for object list using certain Admin SDKs. Issue was surfaced in #5208

Scenarios Tested

Tested locally with modified emulator code using a sample GO app and the Admin SDK for GO

Sample Commands

Test Run: npm run test:storage-emulator-integration

[codecov-commenter]

Codecov Report

Base: 56.23% // Head: 56.24% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (5abacd7) compared to base (b02065f).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5209   +/-   ##
=======================================
  Coverage   56.23%   56.24%           
=======================================
  Files         308      308           
  Lines       20797    20797           
  Branches     4221     4221           
=======================================
+ Hits        11695    11697    +2     
+ Misses       8091     8090    -1     
+ Partials     1011     1010    -1     

Impacted Files	Coverage Δ
src/emulator/storage/apis/gcloud.ts	5.40% <0.00%> (ø)
src/emulator/auth/state.ts	85.43% <0.00%> (+0.56%)	⬆️

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