<AWT Dev> RFR: 8257853: Remove dependencies on JNF's JNI utility functions in AWT and 2D code [v7]

[Phil Race]

On Fri, 18 Dec 2020 21:34:08 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> We should take care of native exceptions, and probably use more objective-c than the macro.

We will take care of native exceptions - the ENTER/EXIT macros which have yet to be updated will handle these if they occur.
This part of the changes is about JNI up-calls.

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PR: https://git.openjdk.java.net/jdk/pull/1679