8210385: Clean up JNI_ENV_ARG and factorize the macros for vmTestbase/jvmti[A-N] tests
Summary: Remove JNI_ENV and JVMTI_ENV macros for part of the jvmti tests
Reviewed-by: amenkov, dholmes
^build/
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nbproject/private/
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^.src-rev$
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\.DS_Store
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test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt
.*/JTreport/.*
.*/JTwork/.*
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