RFR: 8343039: Remove jdk.internal.misc.InternalLock and usages from java.io [v2]

[Brian Burkhalter]

> Uses of `InternalLock` are removed and `synchronized` is reinstated.

Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:

  8343039: Remove use of InternalLock from Stream{De,En}coder and throwable; remove InternalLock class; address comments on BIS and BOS

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Changes:
  - all: https://git.openjdk.org/jdk/pull/22048/files
  - new: https://git.openjdk.org/jdk/pull/22048/files/cbaf8947..21c9c5e2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22048&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22048&range=00-01

  Stats: 392 lines in 6 files changed: 32 ins; 271 del; 89 mod
  Patch: https://git.openjdk.org/jdk/pull/22048.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22048/head:pull/22048

PR: https://git.openjdk.org/jdk/pull/22048