Add google-cloud-gameservices client

[chingor13]

No description provided.

[codecov]

Codecov Report

Merging #5711 into master will increase coverage by 0.05%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #5711      +/-   ##
============================================
+ Coverage     46.74%   46.79%   +0.05%     
- Complexity    24664    24993     +329     
============================================
  Files          2352     2382      +30     
  Lines        256327   259161    +2834     
  Branches      29359    28578     -781     
============================================
+ Hits         119818   121273    +1455     
- Misses       127576   128183     +607     
- Partials       8933     9705     +772

Impacted Files	Coverage Δ	Complexity Δ
...g/v1alpha/stub/GrpcScalingPoliciesServiceStub.java	91.03% <ø> (ø)	13 <0> (?)
...ng/v1alpha/stub/GameServerClustersServiceStub.java	9.09% <ø> (ø)	1 <0> (?)
...pha/stub/GrpcGameServerDeploymentsServiceStub.java	93.6% <ø> (ø)	18 <0> (?)
.../v1alpha/GameServerDeploymentsServiceSettings.java	9.33% <ø> (ø)	2 <0> (?)
...tub/GrpcScalingPoliciesServiceCallableFactory.java	50% <ø> (ø)	4 <0> (?)
...1alpha/stub/GrpcAllocationPoliciesServiceStub.java	91.03% <ø> (ø)	13 <0> (?)
...ha/stub/AllocationPoliciesServiceStubSettings.java	84.47% <ø> (ø)	18 <0> (?)
.../GrpcGameServerClustersServiceCallableFactory.java	50% <ø> (ø)	4 <0> (?)
...ha/stub/GameServerClustersServiceStubSettings.java	84.47% <ø> (ø)	18 <0> (?)
.../GrpcAllocationPoliciesServiceCallableFactory.java	50% <ø> (ø)	4 <0> (?)
... and 226 more

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[chingor13]

FYI @dzlier-gcp