True, not because it's 2019 but due to Project Treble's GenericSystemImages that cleanly separate OEM (Samsung, Sony, Lenovo) and silicon-vendor (Broadcom, Qualcomm, Mediatek) related blobs from the Android subsystem, such that the Android bits could be changed or updated independent of vendor support.
https://android-developers.googleblog.com/2018/11/an-update-...