RFR: 8284316 : Support accessibility ManualTestFrame.java for non SwingSet tests [v2]

[lawrence.andrews]

> 1) Modified  ManualTestFrame.java to support non SwingSet2 and this include modification of SwingSetTest.java
> 2) Added new TestJProgressBarAccessibility.java testcase that uses ManualTestFrame
> 3) Added timeout support in case user does not interact with the ManualTestFrame 
> 
> @shurymury

lawrence.andrews has updated the pull request incrementally with two additional commits since the last revision:

 - minor change
 - Set Default timeout value as well as read as parameter

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8100/files
  - new: https://git.openjdk.java.net/jdk/pull/8100/files/c1f886b0..9d49e5b4

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8100&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8100&range=00-01

  Stats: 18 lines in 3 files changed: 4 ins; 0 del; 14 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8100.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8100/head:pull/8100

PR: https://git.openjdk.java.net/jdk/pull/8100