RFR: 8281536: JFR: Improve jdk.jfr.ContentType documentation [v3]

[Erik Gahlin]

> Hi,
> 
> Could I have a review of an enhancement that improves the documentation of the jdk.jfr.ContentType annotation.
> 
> Testing: tier1 + /test/jdk/jdk/jfr
> 
> Thanks
> Erik

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

  Celcius to celsius

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7403/files
  - new: https://git.openjdk.java.net/jdk/pull/7403/files/82667200..9c17a4f7

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7403&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7403&range=01-02

  Stats: 6 lines in 1 file changed: 0 ins; 0 del; 6 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7403.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7403/head:pull/7403

PR: https://git.openjdk.java.net/jdk/pull/7403