CCA: Fix cca.py deploy function

The mojom_bindings_generator.py is refactored again by
https://crrev.com/c/2128966

And cause the deploy function of cca.py out of work.
This CL fixes the usage accordingly.

Bug: None
Test: cca deploy works again
Change-Id: I55003cf6317c400b1b82df8139d28d6111c0bef6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2142885Reviewed-by: Shik Chen <shik@chromium.org>
Commit-Queue: Wei Lee <wtlee@chromium.org>
Cr-Commit-Position: refs/heads/master@{#758152}

chrome/browser/resources/chromeos/camera/utils/cca.py

@@ -90,14 +90,17 @@ def build_mojom_bindings(mojom_bindings):
     ]
     run(precompile_cmd)
 
+    parser = os.path.join(
+        get_chromium_root(),
+        'mojo/public/tools/mojom/mojom_parser.py')
+
     parse_cmd = [
-        generator,
-        '-o',
+        parser,
+        '--output-root',
         'build/mojo',
-        '--use_bundled_pylibs',
-        'parse',
-        '-d',
+        '--input-root',
         get_chromium_root(),
+        '--mojoms',
     ] + list(mojom_paths)
     run(parse_cmd)