RFR: 4984: Label missing for Focus Selection combobox [v3]

[Suchita Chaturvedi]

> Added a new label for Selection combo box. This was an issue pointed out by vpat.
> 
> Please review the change.

Suchita Chaturvedi has updated the pull request incrementally with one additional commit since the last revision:

  Changed label to focus and rebased branch with master

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

Changes:
  - all: https://git.openjdk.java.net/jmc/pull/155/files
  - new: https://git.openjdk.java.net/jmc/pull/155/files/1e4aa495..0fd0e78f

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jmc&pr=155&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jmc&pr=155&range=01-02

  Stats: 642 lines in 15 files changed: 510 ins; 3 del; 129 mod
  Patch: https://git.openjdk.java.net/jmc/pull/155.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/155/head:pull/155

PR: https://git.openjdk.java.net/jmc/pull/155