[Telemetry] Add MeasureMemory method to action_runner

telemetry/telemetry/internal/platform/platform_backend.py

Index: telemetry/telemetry/internal/platform/platform_backend.py
diff --git a/telemetry/telemetry/internal/platform/platform_backend.py b/telemetry/telemetry/internal/platform/platform_backend.py
index c1085cddfce06f1f68b56a31159faaaaca4f55eb..2f3eebc8085be85778541c19765b48ebe6d0341b 100644
--- a/telemetry/telemetry/internal/platform/platform_backend.py
+++ b/telemetry/telemetry/internal/platform/platform_backend.py
@@ -186,6 +186,11 @@ class PlatformBackend(object):
   def FlushDnsCache(self):
     pass
 
+  def CanElevatePrivilege(self):
+    # TODO: Implement for all platforms.
+    # https://github.com/catapult-project/catapult/issues/2612
+    return False
+
   def LaunchApplication(
       self, application, parameters=None, elevate_privilege=False):
     raise NotImplementedError()