[jdk11u-dev] RFR: 8269426: Rename test/jdk/java/lang/invoke/t8150782 to accessClassAndFindClass

[Goetz Lindenmaier]

I downport this for parity with 11.0.13-oracle.

Files p/Foo.java and q/Bar.java are not in 11.  They were added by 
8266269: Lookup::accessClass fails with IAE when accessing an arrayCl...
This is not in 11, and was not downported by Oracle. It has a CSR and changes
exceptions, so probably Oracle had a good reason not to bring it to 11.
Because 8266269 is missing though, I had to adapt the change.

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Commit messages:
 - Backport 56240690f62f9048a45a53525efccffdec235a8d

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/436/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=436&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8269426
  Stats: 9 lines in 4 files changed: 0 ins; 0 del; 9 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/436.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/436/head:pull/436

PR: https://git.openjdk.java.net/jdk11u-dev/pull/436