RFR: Merge jdk8u:master

[Andrew John Hughes]

Merge jdk8u362-b05

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Commit messages:
 - Merge jdk8u362-b05
 - 8255559: Leak File Descriptors Because of ResolverLocalFilesystem#engineResolveURI()
 - 8073464: GC workers do not have thread names
 - 6885993: Named Thread: introduce print() and print_on(outputStream* st) methods
 - 8269039: Disable SHA-1 Signed JARs
 - 8297141: Fix hotspot/test/runtime/SharedArchiveFile/DefaultUseWithClient.java for 8u
 - 8241086: Test runtime/NMT/HugeArenaTracking.java is failing on 32bit Windows

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - master: https://webrevs.openjdk.org/?repo=shenandoah-jdk8u&pr=35&range=00.0
 - jdk8u:master: https://webrevs.openjdk.org/?repo=shenandoah-jdk8u&pr=35&range=00.1

Changes: https://git.openjdk.org/shenandoah-jdk8u/pull/35/files
  Stats: 801 lines in 48 files changed: 357 ins; 289 del; 155 mod
  Patch: https://git.openjdk.org/shenandoah-jdk8u/pull/35.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah-jdk8u.git pull/35/head:pull/35

PR: https://git.openjdk.org/shenandoah-jdk8u/pull/35