hg: jdk/client: 8212701: remove sun.desktop property from launcher code

[philip.race at oracle.com]

Changeset: bbc7c176c168
Author:    prr
Date:      2019-04-24 09:21 -0700
URL:       http://hg.openjdk.java.net/jdk/client/rev/bbc7c176c168

8212701: remove sun.desktop property from launcher code
Reviewed-by: serb, alanb, rriggs

! src/demo/share/java2d/J2DBench/src/j2dbench/report/XMLHTMLReporter.java
! src/java.base/share/classes/jdk/internal/util/SystemProps.java
! src/java.base/share/native/libjava/System.c
! src/java.base/share/native/libjava/java_props.h
! src/java.base/unix/native/libjava/java_props_md.c
! src/java.base/windows/native/libjava/java_props_md.c
! src/java.desktop/share/classes/javax/swing/UIManager.java
! src/java.desktop/share/classes/javax/swing/plaf/synth/SynthLookAndFeel.java
! src/java.desktop/share/classes/sun/awt/SunToolkit.java
! src/java.desktop/unix/classes/sun/awt/UNIXToolkit.java
+ test/jdk/java/awt/Toolkit/SunDesktopProperty/CheckSunDesktopProperty.java