RFR: 8284415: Collapse identical catch branches in security libs [v2]

[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:

  8284415: Collapse identical catch branches in security libs
  update one more copyright

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8068/files
  - new: https://git.openjdk.java.net/jdk/pull/8068/files/3dd769bc..1e7109d3

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8068&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8068&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8068.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8068/head:pull/8068

PR: https://git.openjdk.java.net/jdk/pull/8068