Add Delegate interface for OlpClient (#1709) #2392

Job	Run time
PSV.Linux.22.04.gcc11.Tests	13m 43s
PSV.Linux.latest.gcc14.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 41s
PSV.Linux.22.04.gcc9.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	3m 25s
PSV.Linux.22.04.gcc11.OLP_SDK_USE_STD_OPTIONAL.OLP_SDK_USE_STD_ANY	3m 58s
PSV.Linux.22.04.gcc11.OLP_SDK_EMBED_BOOST_JSON	4m 5s
PSV.Linux.22.04.gcc11.OLP_SDK_NO_EXCEPTION=ON	6m 23s
PSV.Clang.Format.Checker	47s
PSV.Linux.latest.gcc14.Tests	13m 19s
PSV.Linux.22.04.gcc9.Tests.CodeCov	10m 46s
PSV.iOS.MacOS14.Xcode15.ARM64	5m 17s
PSV.Linux.22.04.gcc11.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	4m 2s
PSV.iOS.MacOS15.Xcode16.ARM64	8m 30s
PSV.Linux.Android.22.04	6m 15s
PSV.Linux.22.04.clang.Tests	14m 16s
PSV.Linux.24.04.gcc13.Tests	14m 18s
PSV.Linux.22.04.gcc9.Cpplint	5s
PSV.iOS.MacOS15.Xcode26.ARM64	5m 38s
PSV.Win.VC2022	10m 38s
PSV.Linux.22.04.clang.hidden	2m 59s
PSV.MacOS15.Xcode16.ARM64	10m 6s
PSV.Commit.Checker	0s
	2h 21m 11s

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