RFR: 8285513: JFR: Add more static support for event classes [v2]

[Markus Grönlund]

On Fri, 20 May 2022 15:05:02 GMT, Erik Gahlin <egahlin at openjdk.org> wrote:

>> Could I have a review that allows code in java.base, which can't have a compile-time dependency on jdk.jfr, to check if an event can be committed without using an event object. See issue for details.
>> 
>> Testing: 
>> - jdk/jdk/jfr
>> - tier1 + tier2
>> - Tested to implement ThreadSleep event using a static commit method (not part of this changeset)
>
> Erik Gahlin has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix typos, method and field names

Marked as reviewed by mgronlun (Reviewer).

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

PR: https://git.openjdk.java.net/jdk/pull/8810