dm_control: Import of refs/pull/463/head

PiperOrigin-RevId: 629743418
Change-Id: I558943d071635fba3ad931381a4b8cb1ebdcac78

Author: JeyRunner

dm_control/mjcf/schema.xml

@@ -87,6 +87,7 @@
             <attribute name="actuation" type="keyword" valid_values="disable enable"/>
             <attribute name="refsafe" type="keyword" valid_values="disable enable"/>
             <attribute name="sensor" type="keyword" valid_values="disable enable"/>
+            <attribute name="eulerdamp" type="keyword" valid_values="disable enable"/>
             <attribute name="override" type="keyword" valid_values="disable enable"/>
             <attribute name="energy" type="keyword" valid_values="disable enable"/>
             <attribute name="fwdinv" type="keyword" valid_values="disable enable"/>