Adding webappwatch@microsoft.com to webapp watchlists

Change-Id: Iec9da11c762c8090a8ef77110c802d766eb9704d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2387486Reviewed-by: Victor Costan <pwnall@chromium.org>
Reviewed-by: Lorne Mitchell <lomitch@microsoft.com>
Commit-Queue: Victor Costan <pwnall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#803595}

WATCHLISTS

@@ -2088,10 +2088,12 @@
     'app_shortcuts': ['dominickn+watch-app_shortcuts@chromium.org',
                       'loyso+watch@chromium.org',
                       'mgiuca+watch@chromium.org',
-                      'dmurph+watching-app_shortcuts@chromium.org'],
+                      'dmurph+watching-app_shortcuts@chromium.org',
+                      'webappwatch@microsoft.com'],
     'apps': ['chromium-apps-reviews@chromium.org',
              'dominickn+watch-apps@chromium.org',
-             'dmurph+watching-apps@chromium.org'],
+             'dmurph+watching-apps@chromium.org',
+             'webappwatch@microsoft.com'],
     'apps_intent_helper': ['dominickn+watch-intent_helper@chromium.org',
                            'mxcai+watch-intent-helper@chromium.org'],
     'arc': ['elijahtaylor+arcwatch@chromium.org',
@@ -2496,7 +2498,8 @@
     'input': ['dtapuska+chromiumwatch@chromium.org'],
     'input_devices': ['spang+watch@chromium.org'],
     'installable': ['dominickn+watch-installable@chromium.org',
-                    'dmurph+watching-installable@chromium.org'],
+                    'dmurph+watching-installable@chromium.org',
+                    'webappwatch@microsoft.com'],
     'installer_linux': ['mmoss@chromium.org',
                         'raphael.kubo.da.costa@intel.com'],
     'installer_win': ['grt+watch@chromium.org',
@@ -2540,7 +2543,8 @@
     'mac' : ['mac-reviews@chromium.org'],
     'manifest': ['dominickn+watch-manifest@chromium.org',
                  'mlamouri+watch-manifest@chromium.org',
-                 'dmurph+watching-manifest@chromium.org'],
+                 'dmurph+watching-manifest@chromium.org',
+                 'webappwatch@microsoft.com'],
     'media': ['feature-media-reviews@chromium.org'],
     'media_capture_from_element': ['emircan+watch+capturefromdom@chromium.org'],
     'media_controls': ['beccahughes+watch@chromium.org',
@@ -2812,7 +2816,8 @@
                          'glenrob+watch@chromium.org',
                          'loyso+watch@chromium.org',
                          'mgiuca+watch@chromium.org',
-                         'dmurph+watching-webapps@chromium.org'],
+                         'dmurph+watching-webapps@chromium.org',
+                         'webappwatch@microsoft.com'],
     'web_package': ['twifkak+watch@chromium.org',
                     'hayato+watch@chromium.org'],
     'web_share': ['mgiuca+watch@chromium.org'],