Add base/task_scheduler and Relevant Devs to Watchlist

Review URL: https://codereview.chromium.org/1866333006

Cr-Commit-Position: refs/heads/master@{#386390}
diff --git a/WATCHLISTS b/WATCHLISTS
index 19eb6ac..65d2b1a 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -126,6 +126,9 @@
     'base_memory': {
       'filepath': '^base/memory',
     },
+    'base_task_scheduler': {
+      'filepath': '^base/task_scheduler',
+    },
     'base_win': {
       'filepath': '^base/win',
     },
@@ -1321,6 +1324,9 @@
     'base_allocator': ['[email protected]',
                        '[email protected]'],
     'base_memory': ['[email protected]'],
+    'base_task_scheduler': ['[email protected]',
+                            '[email protected]',
+                            '[email protected]'],
     'base_win': ['[email protected]', '[email protected]'],
     'battery_status': ['[email protected]'],
     'blimp' : ['[email protected]',