RFR: 8359242: JFR: Missing help text for method trace and timing [v2]

[Erik Gahlin]

> Could I have a review of a PR that adds missing help text for method trace and method timing? Without it, it's hard for users to understand how the feature can be used in JMC or with `jfr configure --interactive`.
> 
> Testing:  test/jdk/jdk/jfr  + tier1
> 
> Thanks
> Erik

Erik Gahlin has updated the pull request incrementally with one additional commit since the last revision:

  Restore accidentally changed file

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/25759/files
  - new: https://git.openjdk.org/jdk/pull/25759/files/6ed4825e..a23b5489

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25759&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25759&range=00-01

  Stats: 4 lines in 1 file changed: 0 ins; 1 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/25759.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25759/head:pull/25759

PR: https://git.openjdk.org/jdk/pull/25759