[Thread] create dir /dev/socket/ot-daemon

ot-daemon may use multiple unix sockets so create a dir for it.

Bug: 320451788
Test: verified that ot-daemon can create socket
/dev/socket/ot-daemon/thread-wpan.sock

Change-Id: I43ccb11ed664cf0d59fc02e2efc721ed7284e2a0
1 file changed