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The android.hardware.usb.host.xml file is an XML file that defines the structure and organization of the USB host API. It provides a set of permissions, intents, and APIs that allow apps to access and control USB devices connected to the Android device. androidhardwareusbhostxml file download 2021
You're looking for information on the android.hardware.usb.host.xml file, specifically for Android 2021. or The android
https://android.googlesource.com/platform/frameworks/base/+/master/data/etc/permissions androidhardwareusbhostxml file download 2021
Here's what I found:
https://source.android.com/devices/tech/connect/xsd
If you're looking for a specific piece of code or XML, please provide more context or details about what you're trying to achieve, and I'll do my best to help.