project: vm-x86_64-test*.mk: add makefiles for the test VM am: db08da620b Original change: https://android-review.googlesource.com/c/trusty/device/x86/generic-x86_64/+/3482615 Change-Id: Iabda88024bbe2c8a367576996fdf8a72612777cb Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>