patch 9.0.1087: autocommand test sometimes fails

Problem:    Autocommand test sometimes fails.
Solution:   Add a short delay. (James McCoy, closes #11737)

src/testdir/test_autocmd.vim

@@ -2393,6 +2393,7 @@ func Test_autocmd_user_clear_group()
   call term_sendkeys(buf, ":autocmd User\<CR>")
   call TermWait(buf, 50)
   call term_sendkeys(buf, "G")
+  call TermWait(buf, 50)
 
   call StopVimInTerminal(buf)
 endfunc

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1087,
 /**/
     1086,
 /**/