The Telemetry Train Version Package module contains a version number for the Telemetry Train, which is a set of metrics-related modules. Google Play uses the version of the Telemetry module to determine the following.
If updates are available for metrics-related modules
Which security patch version to display to the end user
This module doesn’t contain active code and has no functionality on its own.
Module format
The Telemetry Train Version Package module (com.google.mainline.telemetry) is
in APK format and is available for devices running Android
11 or higher.
Customization
The Telemetry Train Version Package module doesn't support customization.