Add policy statement about lint warnings to various langtools modules. -------------
Commit messages: - JDK-8325268: Add policy statement to langtools makefiles concerning warnings Changes: https://git.openjdk.org/jdk/pull/17718/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17718&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8325268 Stats: 14 lines in 3 files changed: 12 ins; 0 del; 2 mod Patch: https://git.openjdk.org/jdk/pull/17718.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/17718/head:pull/17718 PR: https://git.openjdk.org/jdk/pull/17718
