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
Motorola Solutions and Motorola Mobility are two separate companies created from the split of the original Motorola, Inc. in January 2011