[jdk17] RFR: 8270056: Generated lambda class can not access protected static method of target class

[Yi Yang]

Hi all,

this pull request contains a backport of commit 07e90524 from the openjdk/jdk repository.

The commit being backported was authored by Yi Yang on 13 Jul 2021 and was reviewed by Mandy Chung.

Thanks!

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Commit messages:
 - Backport 07e90524576f159fc16523430f1db62327c89a3b

Changes: https://git.openjdk.java.net/jdk17/pull/245/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17&pr=245&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8270056
  Stats: 324 lines in 3 files changed: 181 ins; 141 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk17/pull/245.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17 pull/245/head:pull/245

PR: https://git.openjdk.java.net/jdk17/pull/245