* lisp/net/tramp-adb.el (tramp-adb-file-name-handler-alist):
Use `tramp-adb-handle-file-executable-p' and
`tramp-adb-handle-file-readable-p'.
(tramp-adb-handle-file-executable-p)
(tramp-adb-handle-file-readable-p): New defuns.
(tramp-adb-handle-file-writable-p): Simplify.
(tramp-adb-handle-make-process): Handle :filter being t.
(tramp-adb-find-test-command): Remove.
* lisp/net/tramp-sh.el (tramp-sh-handle-file-readable-p):
* lisp/net/tramp-sudoedit.el (tramp-sudoedit-handle-file-readable-p):
* lisp/net/tramp-gvfs.el (tramp-gvfs-file-name-handler-alist):
Use `tramp-handle-file-readable-p'.
(tramp-gvfs-handle-file-executable-p): Do not check whether file
exists, this is done in `tramp-check-cached-permissions'.
(tramp-gvfs-handle-file-readable-p): Remove.
* lisp/net/tramp.el (tramp-error): Move binding of `inhibit-message' ...
(tramp-signal-hook-function): ... here.
(tramp-handle-access-file): Rewrite.
(tramp-handle-file-readable-p): New defun.
(tramp-handle-make-process): Setting :filter to t works since
Emacs 29.1 only.