Automatic rebaseline of codesize expectations. NFC

This is an automatic change generated by tools/maint/rebaseline_tests.py.

The following (3) test expectation files were updated by
running the tests with `--rebaseline`:

```
codesize/test_codesize_files_js_fs.json: 18215 => 18215 [+0 bytes / +0.00%]
codesize/test_codesize_files_wasmfs.json: 63883 => 63883 [+0 bytes / +0.00%]
codesize/test_codesize_hello_dylink_all.json: 821816 => 822052 [+236 bytes / +0.03%]

Average change: +0.01% (+0.00% - +0.03%)
```

Author: kleisauke

test/codesize/test_codesize_files_js_fs.json

@@ -2,9 +2,9 @@
   "a.out.js": 17834,
   "a.out.js.gz": 7308,
   "a.out.nodebug.wasm": 381,
-  "a.out.nodebug.wasm.gz": 260,
+  "a.out.nodebug.wasm.gz": 258,
   "total": 18215,
-  "total_gz": 7568,
+  "total_gz": 7566,
   "sent": [
     "a (fd_write)",
     "b (fd_read)",

test/codesize/test_codesize_files_wasmfs.json

@@ -2,9 +2,9 @@
   "a.out.js": 5465,
   "a.out.js.gz": 2575,
   "a.out.nodebug.wasm": 58418,
-  "a.out.nodebug.wasm.gz": 18067,
+  "a.out.nodebug.wasm.gz": 18066,
   "total": 63883,
-  "total_gz": 20642,
+  "total_gz": 20641,
   "sent": [
     "a (emscripten_date_now)",
     "b (emscripten_err)",

test/codesize/test_codesize_hello_dylink_all.json

@@ -1,7 +1,7 @@
 {
-  "a.out.js": 244343,
-  "a.out.nodebug.wasm": 577473,
-  "total": 821816,
+  "a.out.js": 244406,
+  "a.out.nodebug.wasm": 577646,
+  "total": 822052,
   "sent": [
     "IMG_Init",
     "IMG_Load",
@@ -3752,11 +3752,11 @@
     "$__syscall_pause",
     "$__syscall_prlimit64",
     "$__syscall_recvmmsg",
+    "$__syscall_sendmmsg",
     "$__syscall_setdomainname",
     "$__syscall_setpgid",
     "$__syscall_setpriority",
     "$__syscall_setsockopt",
-    "$__syscall_shutdown",
     "$__syscall_sync",
     "$__syscall_umask",
     "$__syscall_uname",
@@ -4304,7 +4304,6 @@
     "$getpwnam",
     "$getpwnam_r",
     "$getrlimit",
-    "$getrusage",
     "$gets",
     "$getservbyname",
     "$getservbyname_r",
@@ -4729,6 +4728,7 @@
     "$shm_open",
     "$shm_unlink",
     "$shr",
+    "$shutdown",
     "$sift",
     "$sigaddset",
     "$sigaltstack",
@@ -4966,6 +4966,7 @@
     "$vwarnx",
     "$vwprintf",
     "$vwscanf",
+    "$wait",
     "$wait3",
     "$wait4",
     "$waitid",