Revert "Reland "adb: daemon: Assign valid fd to usb_handle ep0 file descriptor""

This reverts commit bfe3dac36d43208bb23aac56b0f156b8892d9d13.

This seems to be correlated with an increase in the rate of devices
going offline. Revert it to see if failure rates improve.

Bug: http://b/150863651
Test: treehugger
Change-Id: Ia6163fd9e31d2bf812628e028249662594ac2024
1 file changed