RFR: 8255855: appcds/jigsaw/NewModuleFinderTest.java test failed due to unexpected NPE

[Calvin Cheung]

The test.src system property is not being passed to the child process. The problem was not noticed before the fix for https://bugs.openjdk.java.net/browse/JDK-8254876 because the child process does not require the test.src property.

After the fix for JDK-8254876, we got NPE in the following call because the first arg is null:
`Paths.get(TEST_SRC, "modulepath/src");`

A simple fix is to pass the system property to the child process.

Testing: tiers 1,2,3.

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Commit messages:
 - remove the test from the ProblemList
 - Merge branch 'master' into 8255855
 - 8255855: appcds/jigsaw/NewModuleFinderTest.java test failed due to unexpected NPE

Changes: https://git.openjdk.java.net/jdk/pull/1063/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1063&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8255855
  Stats: 2 lines in 2 files changed: 1 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1063.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1063/head:pull/1063

PR: https://git.openjdk.java.net/jdk/pull/1063