bug in heelstrike detection -- uses l while should of been r
bug in heelstrike detection -- uses l while should of been r


Former-commit-id: 00f5a9522a270c0f66082b5b138809dc6bc2ede6
jonreal/openWearable,jonreal/openWearable,jonreal/openWearable,jonreal/openWearable,jonreal/openWearable