RFR: 8284672: Collapse identical catch branches in java.desktop [v3]

[Andrey Turbanov]

> Let's take advantage of Java 7 language feature - "Catching Multiple Exception Types".
> It simplifies code. Reduces duplication.
> Found by IntelliJ IDEA inspection Identical 'catch' branches in 'try' statement

Andrey Turbanov has updated the pull request incrementally with one additional commit since the last revision:

  8284672: Collapse identical catch branches in java.desktop
  move '}' to new line

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/8154/files
  - new: https://git.openjdk.org/jdk/pull/8154/files/66906b3c..028be325

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=8154&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=8154&range=01-02

  Stats: 4 lines in 1 file changed: 2 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/8154.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/8154/head:pull/8154

PR: https://git.openjdk.org/jdk/pull/8154