JVMTI event notification tests
- enable tests -
created JVMTI environment #0
created JVMTI environment #1
created JVMTI environment #2
setting callbacks for envs
RequestedEvents: 
enable VM_INIT for env0, env1, env2
RequestedEvents: VMInit,
enable VM_DEATH for env1,env2
RequestedEvents: VMInit,VMDeath,
enable THREAD_END for env2
RequestedEvents: VMInit,VMDeath,ThreadEnd,
disposing of env1
RequestedEvents: VMInit,VMDeath,ThreadEnd,
disposing of env0
RequestedEvents: VMInit,VMDeath,ThreadEnd,
disable VMInit in env2
RequestedEvents: VMDeath,ThreadEnd,
clear VMDeath callback in env2
RequestedEvents: ThreadEnd,
sending VMInit
sending ThreadEnd
ThreadEndCB jni_env=0x5678 thread=0x1234
sending VMDeath
disposing of env2
RequestedEvents: 
- callback arg tests -
RequestedEvents: VMInit,VMDeath,ThreadStart,ThreadEnd,ClassFileLoadHook,ClassLoad,ClassPrepare,VMStart,Exception,ExceptionCatch,SingleStep,FramePop,Breakpoint,FieldAccess,FieldModification,MethodEntry,MethodExit,NativeMethodBind,CompiledMethodLoad,CompiledMethodUnload,DynamicCodeGenerated,DataDumpRequest,MonitorWait,MonitorWaited,MonitorContendedEnter,MonitorContendedEntered,GarbageCollectionStart,GarbageCollectionFinish,ObjectFree,VMObjectAlloc,
VMInitCB jni_env=0x1 thread=0x2
VMDeathCB jni_env=0x1
ThreadStartCB jni_env=0x1 thread=0x2
ThreadEndCB jni_env=0x1 thread=0x2
ClassFileLoadHookCB jni_env=0x1 class_being_redefined=0x2 loader=0x3 name=4 protection_domain=0x5 class_data_len=6 class_data=0x7 new_class_data_len=0x8 new_class_data=0x9
ClassLoadCB jni_env=0x1 thread=0x2 klass=0x3
ClassPrepareCB jni_env=0x1 thread=0x2 klass=0x3
VMStartCB jni_env=0x1
ExceptionCB jni_env=0x1 thread=0x2 method=0x3 location=0x4 exception=0x5 catch_method=0x6 catch_location=0x7
ExceptionCatchCB jni_env=0x1 thread=0x2 method=0x3 location=0x4 exception=0x5
SingleStepCB jni_env=0x1 thread=0x2 method=0x3 location=0x4
FramePopCB jni_env=0x1 thread=0x2 method=0x3 was_pooped_by_exception=1
BreakpointCB  jni_env=0x1 thread=0x2 method=0x3 location=0x4
FieldAccessCB jni_env=0x1 thread=0x2 method=0x3 location=0x4 field_klass=0x5 object=0x6 field=0x7
FieldModificationCB  jni_env=0x1 thread=0x2 method=0x3 location=0x4 field_klass=0x5 object=0x6 field=0x7 signature_type=8 new_value=0x9
MethodEntryCB jni_env=0x1 thread=0x2 method=0x3
MethodExitCB jni_env=0x1 thread=0x2 method=0x3 was_popped_by_exception=1 return_value=5
NativeMethodBindCB jni_env=0x1 thread=0x2 method=0x3 address=0x4 new_address_ptr=0x5
CompiledMethodLoadCB method=0x1 code_size=0x2 code_addr=0x3 map_length=4 map=0x5 compile_info=0x6
CompiledMethodUnloadCB method=0x1 code_addr=0x2
DynamicCodeGeneratedCB name=1 address=0x2 length=3
DataDumpRequestCB
MonitorWaitCB jni_env=0x1 thread=0x2 object=0x3 timeout=4
MonitorWaitedCB jni_env=0x1 thread=0x2 object=0x3 timed_out=1
MonitorContendedEnterCB jni_env=0x1 thread=0x2 object=0x3
MonitorContendedEnteredCB jni_env=0x1 thread=0x2 object=0x3
GarbageCollectionStartCB
GarbageCollectionFinishCB
ObjectFreeCB tag=1
VMObjectAllocCB jni_env=0x1 thread=0x2 object=0x3 object_klass=0x4 size=5