Build

Refactor OpenHarmony SDK download and extraction steps #291

Job	Run time
Build Android (x86_64)	3m 52s
Build iOS Simulator	42s
Build Android (armeabi-v7a)	3m 37s
Build Linux	1m 21s
Build Android (arm64-v8a)	3m 30s
Build OpenHarmony (arm64-v8a)	1m 47s
Build OpenHarmony (armeabi-v7a)	2m 2s
Build Windows	1m 24s
Build iOS Device	52s
Build macOS	48s
	19m 55s

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