Nearly clean backport, except for the changes in `gradle/verification.metadata`, since that file doesn't exist in jfx11u.
CI build run on all three platforms. ------------- Commit messages: - 8289541: Update ICU4C to 71.1 Changes: https://git.openjdk.org/jfx11u/pull/118/files Webrev: https://webrevs.openjdk.org/?repo=jfx11u&pr=118&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8289541 Stats: 144946 lines in 750 files changed: 10988 ins; 123549 del; 10409 mod Patch: https://git.openjdk.org/jfx11u/pull/118.diff Fetch: git fetch https://git.openjdk.org/jfx11u pull/118/head:pull/118 PR: https://git.openjdk.org/jfx11u/pull/118
