hg: jdk/submit: Initialize the bytes left for the heap sampl

[jcbeyler at google.com]

Changeset: e7af6580a3ac
Author:    jcbeyler
Date:      2020-06-18 20:07 -0700
URL:       https://hg.openjdk.java.net/jdk/submit/rev/e7af6580a3ac

Initialize the bytes left for the heap sampl

! src/hotspot/share/gc/shared/threadLocalAllocBuffer.hpp
! src/hotspot/share/runtime/threadHeapSampler.hpp
+ test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorInitialAllocationTest.java