Bump release version to 11.0.19 in build.properties and .jcheck/conf Fix for JDK-8301010
------------- Commit messages: - Increase release version for JavaFX 11.0.19 Changes: https://git.openjdk.org/jfx11u/pull/125/files Webrev: https://webrevs.openjdk.org/?repo=jfx11u&pr=125&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8301010 Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod Patch: https://git.openjdk.org/jfx11u/pull/125.diff Fetch: git fetch https://git.openjdk.org/jfx11u pull/125/head:pull/125 PR: https://git.openjdk.org/jfx11u/pull/125
