Merge "Add VirtualMachineState enum rather than isRunning bool." am: 7fa065d889 am: 2086cb6d2b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/1821441

Change-Id: Icf5956574c8e0b99f337acb4cca88ec13e70b93a