hg: jdk/submit: 8220355: Improve assertion texts and exception messages in eventHandlerVMInit

[matthias.baesken at sap.com]

Changeset: 1e19a6a45aa8
Author:    mbaesken
Date:      2019-03-18 15:29 +0100
URL:       http://hg.openjdk.java.net/jdk/submit/rev/1e19a6a45aa8

8220355: Improve assertion texts and exception messages in eventHandlerVMInit

! src/java.instrument/share/native/libinstrument/InvocationAdapter.c
! src/java.instrument/share/native/libinstrument/JPLISAgent.c