适配Xcode12+

[luodongseu]

由于Xcode12+去掉了xrun instruments命令，因此将用到该命令的地方均修改为可支持的命令

xcrun instruments -s devices -> xcrun xctrace list devices

xcrun instruments -w ${id} -> xcrun simctl boot ${id}

[YorkShen]

Thanks.

I don't work contribute to this project anymore, but I will merge it.