RFR: 8346050: Update BuildTestLib.gmk to build whole testlibrary [v4]

[Leonid Mesnik]

> The fix add remaining classes to the testlibrary jar and fix some warnings in security-related classes.

Leonid Mesnik has updated the pull request incrementally with two additional commits since the last revision:

 - added copyrights
 - replaced commens fix with supress

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/23525/files
  - new: https://git.openjdk.org/jdk/pull/23525/files/4813daed..83d688b2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=23525&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=23525&range=02-03

  Stats: 3 lines in 1 file changed: 1 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/23525.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23525/head:pull/23525

PR: https://git.openjdk.org/jdk/pull/23525