The Pixel XL 2 is using an LG display. Apple has a contract with Samsung and it's been rumored after the contract ends, they were are using LG as a manufacturer for future OLED displays.
https://www.macrumors.com/2017/07/28/apple-investing-billions-in-lg-for-oleds-report/amp/
Keep in mind rumors are not facts. There was a rumor the iPhone was going to use a different wireless technology than Qi and look how that turned out. https://www.macrumors.com/2017/01/04/energous-wireless-charging-2017/