Merge "Use a unique key to sign our test apps." into main am: 59c525e1ed

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2717453

Change-Id: Ic039aa8cf17962084b8568e530923a789ffa0008
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>