RFR: 8257512: Remove use of deprecated primitive constructors in JavaFX [v2]

[Ambarish Rapte]

> The following primitive constructors were deprecated in JDK 9 and are deprecated for removal in JDK 16.
> 
> java.lang.Byte
> java.lang.Short
> java.lang.Integer
> java.lang.Long
> java.lang.Float
> java.lang.Double
> java.lang.Character
> java.lang.Boolean
> 
> This change removes call to the primitive constructors with the `valueOf()` factory method of respective class.
> Calls like the following to create array get autoboxed so it does not require a change.
> 
> `Double dArr[] = new Double[] {10.1, 20.2};`

Ambarish Rapte has updated the pull request incrementally with one additional commit since the last revision:

  use autoboxing when obvious

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

Changes:
  - all: https://git.openjdk.java.net/jfx/pull/423/files
  - new: https://git.openjdk.java.net/jfx/pull/423/files/17e6ea28..588ec4ce

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jfx&pr=423&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jfx&pr=423&range=00-01

  Stats: 7 lines in 4 files changed: 0 ins; 0 del; 7 mod
  Patch: https://git.openjdk.java.net/jfx/pull/423.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/423/head:pull/423

PR: https://git.openjdk.java.net/jfx/pull/423