hg: jdk/submit: Merge

[zgu at redhat.com]

Changeset: e781dafb68d9
Author:    zgu
Date:      2019-01-30 11:41 -0500
URL:       http://hg.openjdk.java.net/jdk/submit/rev/e781dafb68d9

Merge

! src/hotspot/share/gc/g1/g1ConcurrentMark.cpp
! src/hotspot/share/gc/shared/taskqueue.cpp
! src/hotspot/share/gc/shared/taskqueue.hpp
- test/hotspot/jtreg/gc/g1/TestStringTableStats.java
- test/langtools/jdk/javadoc/doclet/testHtmlWarning/TestHtmlWarning.java