Android 17 QPR1 is the first release since Android Honeycomb (3.x) adding new APIs for app developers without a release to the Android Open Source Project. The new APIs are currently exclusive to the Pixel OS and aren't available to other Android OEMs.
https://developer.android.com/sdk/api_diff/37.1/changes
Looks like the cellphone company, Motorola Mobility LLC, is currently wholly owned by the, now Chinese company, Lenovo.