Adapt Tramp for Android 12

Adapt Tramp for Android 12

* lisp/net/tramp-adb.el (tramp-methods): Use "%d".
(tramp-adb-handle-directory-files-and-attributes): Fix "." and
".." in listing.
(tramp-adb-sh-fix-ls-output): Fix file names with spaces.
(tramp-adb-maybe-open-connection): Compute args from `tramp-login-args'.

* lisp/net/tramp.el (tramp-methods): Adapt docstring.
(tramp-handle-make-process): Check for adb device if indicated.

* test/lisp/net/tramp-tests.el (tramp-test17-insert-directory)
(tramp-test22-file-times): Adapt tests.