[Rev 01] RFR: 6831: Add chunk ranges to IItemCollection

[Henrik Dafgård]

> This PR adds the timeranges for all chunks that make up an IItemCollection, thus allowing downstream consumers, rules
> and the JMC UI (with plugins) to make accurate inferences with regards to the timespans when events could possibly have
> been emitted.

Henrik Dafgård has updated the pull request incrementally with one additional commit since the last revision:

  Rename getChunkRanges to getTimeRanges

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

Changes:
  - all: https://git.openjdk.java.net/jmc/pull/81/files
  - new: https://git.openjdk.java.net/jmc/pull/81/files/577e5be3..65e509ba

Webrevs:
 - full: https://webrevs.openjdk.java.net/jmc/81/webrev.01
 - incr: https://webrevs.openjdk.java.net/jmc/81/webrev.00-01

  Stats: 13 lines in 6 files changed: 0 ins; 0 del; 13 mod
  Patch: https://git.openjdk.java.net/jmc/pull/81.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/81/head:pull/81

PR: https://git.openjdk.java.net/jmc/pull/81