RFR: 8357987: [JVMCI] Add support for retrieving all methods of a ResolvedJavaType [v2]

[Tom Shull]

> Currently from ResolvedJavaType one can retrieve all declared methods, static methods, and constructors of the given type. However, internally in HotSpot there are also VM-internal methods, such as overpass methods, associated with a given type which we cannot access via the API.
> 
> To correct this, we should add a new method which enables VM-internal methods, such as overpass methods, to be accessed.

Tom Shull has updated the pull request incrementally with one additional commit since the last revision:

  format javadoc and update test

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Changes:
  - all: https://git.openjdk.org/jdk/pull/25498/files
  - new: https://git.openjdk.org/jdk/pull/25498/files/1f42f05f..0de1feae

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25498&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25498&range=00-01

  Stats: 16 lines in 4 files changed: 2 ins; 2 del; 12 mod
  Patch: https://git.openjdk.org/jdk/pull/25498.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25498/head:pull/25498

PR: https://git.openjdk.org/jdk/pull/25498