[lworld] Integrated: 8272793: [lworld] Test CustomClassListDump.java fails with Pattern "CustomLoadee id: [0-9]+ super: [0-9]+ source: .*/custom.jar" not found in classlist

[Frederic Parain]

Fixing test by taking into account the injected IdentityObject interface in patterns used to analyze the output.

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Commit messages:
 - Fix test to handle injected IdentityObject interface

Changes: https://git.openjdk.java.net/valhalla/pull/537/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=537&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8272793
  Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/537.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/537/head:pull/537

PR: https://git.openjdk.java.net/valhalla/pull/537