RFR: 8196065: ListChangeListener getRemoved() returns items that were not removed.

[mstr2]

Fixes a bug in `ControlUtils.buildClearAndSelectChange` that reports a wrong start index for the second range of a disjoint removed list.

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Commit messages:
 - ListChangeListener getRemoved() returns items that were not removed.
 - Add failing test

Changes: https://git.openjdk.java.net/jfx/pull/478/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jfx&pr=478&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8196065
  Stats: 26 lines in 2 files changed: 25 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jfx/pull/478.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/478/head:pull/478

PR: https://git.openjdk.java.net/jfx/pull/478