Log more when unknown error returned on iOS #1874

Job	Run time
PSV.Linux.22.04.gcc9.Tests.CodeCov	9m 51s
PSV.Linux.20.04.gcc7.Cpplint	1s
PSV.Linux.20.04.clang	1s
PSV.MacOS13.Xcode16	3m 44s
PSV.Linux.Android.20.04	1s
PSV.MacOS14.Xcode15	4m 0s
PSV.iOS.MacOS13.Xcode14	9m 52s
PSV.Linux.20.04.gcc7.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	1s
PSV.Linux.22.04.gcc13.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 18s
PSV.iOS.MacOS13.Xcode15	9m 36s
PSV.Linux.22.04.gcc11	7m 46s
PSV.MacOS13.Xcode15.x86_64	4m 48s
PSV.Linux.22.04.gcc11.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 1s
PSV.iOS.MacOS13.Xcode16	8m 42s
PSV.iOS.MacOS14.Xcode15	5m 21s
PSV.Commit.Checker	1s
PSV.Linux.22.04.gcc13	7m 51s
PSV.Win.VC2019	9m 17s
	1h 25m 12s

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