RFR: 8337334: Test tools/javac/7142086/T7142086.java timeout with fastdebug binary [v2]

[SendaoYan]

> Hi all,
> Test `tools/javac/7142086/T7142086.java` run timeouted with fastdebug binary. I think it's necessory set more timeout value  when the tested binary is fastdebug or slowdebug.
> 
> The change has been verified, no risk.

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

  add vm.debug for requires.properties in test/langtools/TEST.ROOT

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Changes:
  - all: https://git.openjdk.org/jdk/pull/20370/files
  - new: https://git.openjdk.org/jdk/pull/20370/files/d139096c..98b26e29

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20370&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20370&range=00-01

  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/20370.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20370/head:pull/20370

PR: https://git.openjdk.org/jdk/pull/20370