Merge "msgq test service: installable by atest" am: f74120b1fb am: b793e77b3d am: 2bd24fb45f

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1313073

Change-Id: I2887c1bda703a83c710cc5ee73a9200e180df1c2