[inspector] added devtools-reviews@chromium.org in WATCHLISTS for inspector

BUG=chromium:635948
R=dgozman@chromium.org,jochen@chromium.org

Review-Url: https://codereview.chromium.org/2373983003
Cr-Commit-Position: refs/heads/master@{#39877}

WATCHLISTS

@@ -63,6 +63,9 @@
     'gypfiles': {
       'filepath': 'gypfiles/',
     },
+    'inspector': {
+      'filepath': 'inspector',
+    },
   },
 
   'WATCHLISTS': {
@@ -96,5 +99,8 @@
     'gypfiles': [
       'machenbach@chromium.org',
     ],
+    'inspector': [
+      'devtools-reviews@chromium.org',
+    ],
   },
 }