com.android.wifi.system.mainline.resources.overlay
com.android.wifi.system.mainline.resources.overlay
Related to the Wi-Fi module and its resources overlay.
The Wi-Fi module in Android is updatable, meaning it can receive updates to functionality outside of the normal Android release cycle.
The module provides a consistent Wi-Fi experience across Android devices and allows for fixes to interoperability issues through module updates
https://source.android.com/docs/core/ota/modular-system/wifi