Allow vendor_init_readable to persist.sys.usb.usbradio.config

persist.sys.usb.usbradio.config can be read in vendor init scripts.

Bug: 75202311
Bug: 74266614
Test: succeeded building and tested on pixels
Change-Id: Ib07a436dd22b4b445fd114cc1d0df7c3e7a21527
1 file changed