RFR: 8274928: JavaFX virtual keyboard missing ^ character

[Ziad El Midaoui]

Added "^" character to JavaFX virtual keyboard.

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Commit messages:
 - Merge branch 'openjdk:master' into 8274928.caretCharacter
 - Added "^" to virtual keyboard

Changes: https://git.openjdk.org/jfx/pull/2053/files
  Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=2053&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8274928
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jfx/pull/2053.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/2053/head:pull/2053

PR: https://git.openjdk.org/jfx/pull/2053