guest_view watchlist name correction

Bug: None
Change-Id: Id76ae87bf92bf00c6f32e54afe963713b0e9f8c4
Reviewed-on: https://chromium-review.googlesource.com/1175064Reviewed-by: Ehsan Karamad <ekaramad@chromium.org>
Commit-Queue: Kevin McNee <mcnee@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583044}

WATCHLISTS

@@ -2140,7 +2140,7 @@
     'gpu': ['piman+watch@chromium.org'],
     'gpu_passthrough_cmd_decoder': ['geofflang+watch@chromium.org'],
     'guest_view': ['ekaramad@chromium.org',
-                   'macnee@chromium.org',
+                   'mcnee@chromium.org',
                    'wjmaclean@chromium.org'],
     'headless': ['headless-reviews@chromium.org'],
     'history_ui': ['pam+watch@chromium.org'],