[Rev 01] RFR: 8226754: FX build fails using gradle 5.6+ or 6

[Kevin Rushforth]

The pull request has been updated with additional changes.

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

Added commits:
 - a928b41f: Revert ivy layout pattern changes per review comments

Changes:
  - all: https://git.openjdk.java.net/jfx/pull/9/files
  - new: https://git.openjdk.java.net/jfx/pull/9/files/bc6bd441..a928b41f

Webrevs:
 - full: https://webrevs.openjdk.java.net/jfx/9/webrev.01
 - incr: https://webrevs.openjdk.java.net/jfx/9/webrev.00-01

  Issue: https://bugs.openjdk.java.net/browse/JDK-8226754
  Stats: 21 lines in 2 files changed: 0 ins; 15 del; 6 mod
  Patch: https://git.openjdk.java.net/jfx/pull/9.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/9/head:pull/9

PR: https://git.openjdk.java.net/jfx/pull/9