Merge "Prepare for keeping concrete overrides of abstract methods" into main am: 189606e08d

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2781330

Change-Id: Iba4f831c5a12c2defe1f44d868a548cbcc11c052
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>