Add LinuxInstallerApp(and Stub) am: ef989e231b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/3248798

Change-Id: I37c651d276794158a6364f713e98f913b4b99e72
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>