[lworld] RFR: Merge jdk

[Tobias Hartmann]

Merging master into the lworld branch.

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Commit messages:
 - Disabled assert until JDK-8255120 is fixed in mainline
 - Removed test run statements with UseBiasedLocking
 - Merge lworld
 - 8255040: Replace __sync_add_and_fetch with __atomic_add_fetch to avoid build errors with clang
 - 8199054: Test javax/swing/UIDefaults/8149879/InternalResourceBundle.java is unstable
 - 8167355: [macos 10.12] Timeout in javax/swing/JTextArea/TextViewOOM/TextViewOOM.java
 - 8254370: Update the classes in the java.awt.color package
 - 8255206: [macos] LicenseTest fails on macOS 11
 - 8238263: Create at-requires mechanism for containers
 - 8251994: VM crashed running TestComplexAddrExpr.java test with -XX:UseAVX=X
 - ... and 178 more: https://git.openjdk.java.net/valhalla/compare/1e44a3b8...3271612c

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.java.net/?repo=valhalla&pr=241&range=00.0
 - jdk: https://webrevs.openjdk.java.net/?repo=valhalla&pr=241&range=00.1

Changes: https://git.openjdk.java.net/valhalla/pull/241/files
  Stats: 66444 lines in 917 files changed: 49679 ins; 12679 del; 4086 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/241.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/241/head:pull/241

PR: https://git.openjdk.java.net/valhalla/pull/241