RFR [9] 8153498: Update the PostVMInitHook mechanism to use an internal package in the base module

[Lois Foltan]

Hotspot changes look good.
Lois

On 4/5/2016 5:51 AM, Chris Hegarty wrote:
> sun.misc.PostVMInitHook::run is called by the VM once its initialization is
> complete, when jdk_version_info.post_vm_init_hook_enabled bit is true.
> Since sun.misc will be moved out of the base module, the VM should
> look for the PostVMInitHook in a more suitable place, say jdk.internal.vm.
>
> http://cr.openjdk.java.net/~chegar/8153498/
>
> -Chris.