[jdk11u-dev] RFR: 8029633: Raw inner class constructor ref should not perform diamond inference

[Goetz Lindenmaier]

I backport this for parity with 11.0.18-oracle.

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Commit messages:
 - Backport 6707bfbc153de193b891c1ad3d4d8d0a6ee62307

Changes: https://git.openjdk.org/jdk11u-dev/pull/1523/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1523&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8029633
  Stats: 32 lines in 3 files changed: 31 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1523.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1523/head:pull/1523

PR: https://git.openjdk.org/jdk11u-dev/pull/1523