RFR: 8289710: Move Suspend/Resume classes out of os.hpp [v2]

[Ioi Lam]

On Wed, 6 Jul 2022 13:11:32 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Ioi Lam has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   moved SuspendResume class to os/posix directory
>
> The movement out of class os looks like an improvement to me.

Thanks @coleenp and @dholmes-ora for the review.

-------------

PR: https://git.openjdk.org/jdk/pull/9371