Several Tramp cleanups

Several Tramp cleanups

* lisp/net/tramp-adb.el (tramp-adb-maybe-open-connection):
Move setting of sentinel up.

* lisp/net/tramp-cache.el (tramp-get-connection-property)
(tramp-set-connection-property): Don't raise a debug message for
the `tramp-cache-version' key.

* lisp/net/tramp.el (tramp-convert-file-attributes): Don't cache
"file-attributes-ID-FORMAT".

* test/lisp/net/tramp-tests.el (tramp--test-enabled): Cleanup also
`tramp-compat-temporary-file-directory'.
(tramp-test32-shell-command): Use `async-shell-command-width' of 512.
(tramp-test36-vc-registered): Remove double let* entry.

(cherry picked from commit 1e3d72d962b8b736741747a5ec4595e08965ef49)