静态方法和静态属性的lazyload #2154

Job	Run time
unittest-osx-dotnet	7m 4s
unittest-linux-dotnet	5m 13s
unittest-win-dotnet	8m 12s
unittest-run-testcase-and-build-android	37m 34s
unittest-run-android-in-linux	9m 25s
	1h 7m 28s

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