8343925 Feedback PR #21593 test/jdk/java/util/BitSet/HugeToString.java crash, so submit this PR to roll back
------------- Commit messages: - Revert "8342650: Move getChars to DecimalDigits" Changes: https://git.openjdk.org/jdk/pull/22012/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22012&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8343925 Stats: 757 lines in 12 files changed: 352 ins; 381 del; 24 mod Patch: https://git.openjdk.org/jdk/pull/22012.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/22012/head:pull/22012 PR: https://git.openjdk.org/jdk/pull/22012
