Merge "Check vm is running before get/set_memory_balloon" into main am: 93d08a42bd

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/3534743

Change-Id: I399339f33b709c85c07132aea0fe2168e5c89ca0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>