CI: build with hidden symbols using Clang #2251

Job	Run time
PSV.Linux.22.04.gcc11	8m 17s
PSV.Linux.22.04.gcc11.OLP_SDK_NO_EXCEPTION=ON	7m 40s
PSV.Linux.22.04.gcc9.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 45s
PSV.Linux.latest.gcc14.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	4m 28s
PSV.Linux.22.04.gcc9.Tests.CodeCov	10m 39s
PSV.Linux.22.04.gcc9.Cpplint	9m 33s
PSV.Linux.24.04.gcc13.Tests	8m 10s
PSV.Linux.22.04.clang	9m 31s
PSV.iOS.MacOS14.Xcode15.ARM64	8m 6s
PSV.Commit.Checker	6s
PSV.iOS.MacOS15.Xcode16.ARM64	6m 36s
PSV.Win.VC2022	10m 31s
PSV.iOS.MacOS15.Xcode26.ARM64	8m 36s
PSV.MacOS15.Xcode16.ARM64	8m 51s
PSV.Linux.22.04.clang.hidden	3m 14s
PSV.Linux.22.04.gcc11.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	3m 1s
PSV.Linux.Android.22.04	5m 52s
PSV.Clang.Format.Checker	31s
	1h 56m 27s

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