Add gerchiko@ to watch animation related changes

Bug: None
Change-Id: I88d1a220e20f1de630cd34b2483a6c0fcdb9b71f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2085713Reviewed-by: Olga Gerchikov <gerchiko@microsoft.com>
Commit-Queue: Yi Gu <yigu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#746547}

WATCHLISTS

@@ -2139,6 +2139,7 @@
                             'nektar@chromium.org'],
     'blink_animation': ['alexis.menard@intel.com',
                         'yigu@chromium.org',
+                        'gerchiko@microsoft.com',
                         'blink-reviews-animation@chromium.org'],
     'blink_app_banner': ['mlamouri+watch-blink@chromium.org'],
     'blink_audio': ['hongchan@chromium.org',
@@ -2306,6 +2307,7 @@
                      'ryanchung+watch@chromium.org'],
     'cc': ['cc-bugs@chromium.org'],
     'cc-animation': ['yigu@chromium.org',
+                     'gerchiko@microsoft.com',
                      'majidvp@chromium.org'],
     'cc-contexts': ['danakj+watch@chromium.org'],
     'cc-display': ['danakj+watch@chromium.org',