RFR: 8369428: Include method name in 'does not override or implement' diagnostics

[Liam Miller-Cushon]

Hi,

Please consider this small improvement to `compiler.err.method.does.not.override.superclass` diagnostics, to include the method name.

Before:


T.java:2: error: method does not override or implement a method from a supertype
  @Override
  ^


After:


T.java:2: error: f() does not override or implement a method from a supertype
  @Override
  ^
1 error

-------------

Commit messages:
 - 8369428: Include method name in 'does not override or implement' diagnostics

Changes: https://git.openjdk.org/jdk/pull/27692/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27692&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8369428
  Stats: 6 lines in 5 files changed: 1 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/27692.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27692/head:pull/27692

PR: https://git.openjdk.org/jdk/pull/27692