Improve Tramp processes to accept output over the same socket

Improve Tramp processes to accept output over the same socket

* lisp/net/tramp.el (tramp-accept-process-output): Don't use TIMEOUT
anymore, default it to 0.  When the connection uses a shared
socket possibly, accept also the output from other processes over
the same connection.  (Bug#61350)
(tramp-handle-file-notify-rm-watch, tramp-action-process-alive)
(tramp-action-out-of-band, tramp-process-one-action)
(tramp-interrupt-process):
* lisp/net/tramp-adb.el (tramp-adb-handle-make-process):
* lisp/net/tramp-gvfs.el (tramp-gvfs-handle-file-notify-add-watch):
* lisp/net/tramp-sh.el (tramp-sh-handle-file-notify-add-watch):
* lisp/net/tramp-smb.el (tramp-smb-action-get-acl)
(tramp-smb-action-set-acl, tramp-smb-wait-for-output):
* lisp/net/tramp-sudoedit.el (tramp-sudoedit-action-sudo):
Adapt callees.

* lisp/net/tramp.el (tramp-handle-make-process):
* lisp/net/tramp-sh.el (tramp-do-copy-or-rename-file-out-of-band)
(tramp-sh-handle-file-notify-add-watch)
(tramp-maybe-open-connection): Set `shared-socket' property.