adb: Move io_setup to usb_handle init

Remove some redundancy by moving io_setup
into aio_block_init. The io_contexts will
now live till the end of the program, similar
to the rest of usb_handle

Test: adb works
Bug: 78793464
Change-Id: I910a39d4395645f1ff231f265c285a72893a0ac6
1 file changed