As part of project Galahad, the name of the Graal module will change from jdk.internal.vm.compiler to jdk.compiler.graal. The packages in the module will also be changed to use the "jdk.compiler.graal" prefix.

To support this change, the following changes are required:
* The jdk.internal.vm.ci module needs to add qualified exports to the new module.
* An empty, upgradeable jdk.graal.compiler module needs to be created. This support the transitionary period until Graal is integrated into the JDK.