Fix auto-configuration to support GrpcServiceRegistrationBeans…

[mauhiz]

For people who can't wait for the next release, a simple workaround is to invoke armeriaServer with an empty list of Thrift services as well (Optional.of(emptyList()))

[codecov]

Codecov Report

Merging #2234 into master will decrease coverage by 0.04%.
The diff coverage is 50%.

@@             Coverage Diff              @@
##             master    #2234      +/-   ##
============================================
- Coverage     73.52%   73.47%   -0.05%     
+ Complexity     9748     9734      -14     
============================================
  Files           849      849              
  Lines         37555    37556       +1     
  Branches       4610     4611       +1     
============================================
- Hits          27611    27594      -17     
- Misses         7583     7601      +18     
  Partials       2361     2361

Impacted Files	Coverage Δ	Complexity Δ
...ecorp/armeria/spring/ArmeriaAutoConfiguration.java	78.72% <50%> (-1.72%)	11 <0> (ø)
...n/java/com/linecorp/armeria/server/HttpServer.java	40% <0%> (-20%)	2% <0%> (-1%)
...inecorp/armeria/client/AbstractEventLoopState.java	92.3% <0%> (-7.7%)	6% <0%> (-1%)
...corp/armeria/client/DefaultEventLoopScheduler.java	79.27% <0%> (-7.21%)	30% <0%> (-3%)
...com/linecorp/armeria/client/OneEventLoopState.java	66.66% <0%> (-4.77%)	6% <0%> (-1%)
.../linecorp/armeria/client/retrofit2/PipeBuffer.java	79.06% <0%> (-4.66%)	6% <0%> (ø)
...client/endpoint/healthcheck/HttpHealthChecker.java	85.29% <0%> (-2.95%)	18% <0%> (-1%)
...om/linecorp/armeria/client/HttpSessionHandler.java	58.47% <0%> (-2.55%)	27% <0%> (-2%)
...inecorp/armeria/server/grpc/ArmeriaServerCall.java	87.1% <0%> (-1.57%)	85% <0%> (-1%)
...necorp/armeria/client/HeapBasedEventLoopState.java	92.78% <0%> (-1.04%)	31% <0%> (-1%)
... and 7 more

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[trustin]

Thanks a lot, @mauhiz !

[ikhoon]

Nice catch! Thanks, @mauhiz 👍

[minwoox]

Thanks! 👍