RFR: Merge jdk8u:master

[Andrew John Hughes]

Merge jdk8u372-b01

-------------

Commit messages:
 - Merge jdk8u372-b01
 - 8075964: Test java/awt/Mouse/TitleBarDoubleClick/TitleBarDoubleClick.html fails intermittently with timeout error
 - 8239827: The test OpenByUNCPathNameTest.java should be changed to be manual
 - 8042098: [TESTBUG] Test sun/java2d/AcceleratedXORModeTest.java fails on Windows
 - 7001973: java/awt/Graphics2D/CopyAreaOOB.java fails
 - 8039888: [TEST_BUG] keyboard garbage after javax/swing/plaf/windows/WindowsRootPaneUI/WrongAltProcessing/WrongAltProcessing.java
 - 8196467: javax/swing/JInternalFrame/Test6325652.java fails
 - 8159135: [PIT] javax/swing/JMenuItem/8152981/MenuItemIconTest.java always fail
 - 8293767: AWT test TestSinhalaChar.java has old SCCS markings
 - 8301122: [8u] Fix unreliable vs2010 download link
 - ... and 68 more: https://git.openjdk.org/shenandoah-jdk8u/compare/dcc3a4b0...59178cdb

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - master: https://webrevs.openjdk.org/?repo=shenandoah-jdk8u&pr=40&range=00.0
 - jdk8u:master: https://webrevs.openjdk.org/?repo=shenandoah-jdk8u&pr=40&range=00.1

Changes: https://git.openjdk.org/shenandoah-jdk8u/pull/40/files
  Stats: 13987 lines in 151 files changed: 11034 ins; 2569 del; 384 mod
  Patch: https://git.openjdk.org/shenandoah-jdk8u/pull/40.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah-jdk8u.git pull/40/head:pull/40

PR: https://git.openjdk.org/shenandoah-jdk8u/pull/40