RFR: JDK-8279641: Create manual JTReg tests for Swing accessibility

[Alexandre Iline]

JDK-8279641: Create manual JTReg tests for Swing accessibility

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Commit messages:
 - JDK-8279641: Create manual JTReg tests for Swing accessibility

Changes: https://git.openjdk.java.net/jdk/pull/6993/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=6993&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8279641
  Stats: 1410 lines in 35 files changed: 1410 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6993.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6993/head:pull/6993

PR: https://git.openjdk.java.net/jdk/pull/6993