RFR: JDK-8313251: Add NativeLibraryLoad event [v2]

[David Holmes]

On Wed, 2 Aug 2023 12:24:10 GMT, Erik Gahlin <egahlin at openjdk.org> wrote:

>> Hi Erik , I removed the JFR with configure and attempted this (however on Linux) but for some reason I got build errors. So I better added the macros. (not sure why this happened, with some other JFR event living without INCLUDE_JFR seemed to  work as expected)
>
> OK

Just for completeness the various os_xxx.cpp files all use INCLUDE_JFR around event code.

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PR Review Comment: https://git.openjdk.org/jdk/pull/15065#discussion_r1282748997