6899851: Regression causes new dependency to jkernel
Summary: Replaced sun.jkernel.DownloadManager calls with BootClassLoaderHook
Reviewed-by: bae, asaha
^build/
^dist/
^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/