linux_usbfs: Disable hotplug events and scanning on Android
linux_usbfs: Disable hotplug events and scanning on Android

On Android, the platform API should be used to scan for and open devices
and pass file descriptors to libusb.  Newer devices (Android 5+) even
prohibit listening for hotplug events, resulting in libusb failing to
initialize without this patch.

ButterflyNetwork/libusb,ButterflyNetwork/libusb,ButterflyNetwork/libusb,ButterflyNetwork/libusb,ButterflyNetwork/libusb