adb_profile_chrome: --trace-scheduler should also trace blink's scheduler

tools/profile_chrome/main.py

Index: tools/profile_chrome/main.py
diff --git a/tools/profile_chrome/main.py b/tools/profile_chrome/main.py
index 36125f3da0e69602f5e8f3b01d2844370cec4fcf..059ce3540511858b006b2326ed7ad9320e03244a 100755
--- a/tools/profile_chrome/main.py
+++ b/tools/profile_chrome/main.py
@@ -37,6 +37,7 @@ def _ComputeChromeCategories(options):
     categories.append('disabled-by-default-memory')
   if options.trace_scheduler:
     categories.append('disabled-by-default-cc.debug.scheduler')
+    categories.append('disabled-by-default-blink.scheduler')
   if options.chrome_categories:
     categories += options.chrome_categories.split(',')
   return categories