8046031: UI of Java Web Start app isn't updated when changing Windows theme
Reviewed-by: alexsch, serb
^build/
^dist/
^webrev
/nbproject/private/
^src/share/tools/hsdis/build/
^src/share/tools/IdealGraphVisualizer/[a-zA-Z0-9]*/build/
^src/share/tools/IdealGraphVisualizer/build/
^src/share/tools/IdealGraphVisualizer/dist/
^src/share/tools/IdealGraphVisualizer/nbplatform/
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^.hgtip
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^\.mx.jvmci/env
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^\.mx.jvmci/eclipse-launches/.*
^\.mx.jvmci/hotspot/eclipse/.*
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