Set relative_install_path to "for-system" am: ef9f62b076 am: 083de6f83d am: 9b6fa6b6ed

Original change: https://android-review.googlesource.com/c/platform/external/android-clat/+/1944698

Change-Id: I2ba939f18b7a5e3afdc507fb9b1b380601d57b41