[jdk17u-dev] RFR: 8307732: build-test-lib is broken [v2]

[Vishal Chand]

> - This PR backports JDK-8307732 to jdk17u-dev. The build-test-lib target is broken on jdk17 and is needed to build wb.jar and test-lib.jar.
> - `make build-test-lib` works as expected after the change.

Vishal Chand has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains three new commits since the last revision:

 - 8307732: build-test-lib is broken
   
   Reviewed-by: erikj, djelinski
 - 8303922: build-test-lib target is broken
   
   Reviewed-by: erikj, jwaters
 - 8274345: make build-test-lib is broken
   
   Reviewed-by: erikj

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

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/1801/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/1801/files/f937a981..ccb984e1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1801&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1801&range=00-01

  Stats: 5 lines in 2 files changed: 2 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1801.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1801/head:pull/1801

PR: https://git.openjdk.org/jdk17u-dev/pull/1801