[Telemetry] Remove empty action_name_to_run for skpicture_printer

BUG=418375

Review URL: https://codereview.chromium.org/883853004

Cr-Commit-Position: refs/heads/master@{#313413}

tools/perf/measurements/skpicture_printer.py

@@ -13,7 +13,8 @@ _JS = 'chrome.gpuBenchmarking.printToSkPicture("{0}");'
 
 class SkpicturePrinter(page_test.PageTest):
   def __init__(self, skp_outdir):
-    super(SkpicturePrinter, self).__init__()
+    super(SkpicturePrinter, self).__init__(
+        action_name_to_run='RunPageInteractions')
     self._skp_outdir = skp_outdir
 
   def CustomizeBrowserOptions(self, options):