CI: Use Android platform-21 #2207

Job	Run time
PSV.Linux.Android.22.04	10m 1s
PSV.Linux.22.04.clang.Tests	14m 1s
PSV.Linux.22.04.gcc11.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 34s
PSV.Linux.22.04.gcc13.Tests	18m 24s
PSV.Linux.22.04.gcc9.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 49s
PSV.Linux.22.04.gcc9.Tests.CodeCov	11m 34s
PSV.Linux.latest.gcc14.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 21s
PSV.Clang.Format.Checker	38s
PSV.Linux.latest.gcc14.Tests	13m 53s
PSV.MacOS15.Xcode16.ARM64	6m 16s
PSV.Linux.22.04.gcc11.Tests	13m 25s
PSV.Linux.22.04.gcc9.Cpplint	8s
PSV.iOS.MacOS15.Xcode16.ARM64	10m 20s
PSV.iOS.MacOS15.Xcode26.ARM64	7m 2s
PSV.iOS.MacOS14.Xcode15.ARM64	6m 8s
PSV.Commit.Checker	9s
PSV.Win.VC2022	9m 55s
	2h 9m 38s

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