RFR: 8248908: Printer.createPageLayout() returns 0.75" margins instead of hardware margins [v2]

[Phil Race]

> For a Media that had no defined size - eg a "custom" paper - the code was creating a mapping
> that over-rode the NA_LETTER size. This might cause multiple problems but definitely meant that
> we ended up with default margins.

Phil Race has updated the pull request incrementally with one additional commit since the last revision:

  8248908: Printer.createPageLayout() returns 0.75" instead of hardware margins

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Changes:
  - all: https://git.openjdk.java.net/jfx/pull/266/files
  - new: https://git.openjdk.java.net/jfx/pull/266/files/d54cd40d..e517ca55

Webrevs:
 - full: https://webrevs.openjdk.java.net/jfx/266/webrev.01
 - incr: https://webrevs.openjdk.java.net/jfx/266/webrev.00-01

  Stats: 4 lines in 1 file changed: 1 ins; 1 del; 2 mod
  Patch: https://git.openjdk.java.net/jfx/pull/266.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/266/head:pull/266

PR: https://git.openjdk.java.net/jfx/pull/266