OMX_IndexExt: add OMX_IndexConfigLowLatency

Test: cts
Bug: 134971304
Change-Id: I2ab8412825562c248350d335299ecacc92608b9d
diff --git a/headers/media_plugin/media/openmax/OMX_IndexExt.h b/headers/media_plugin/media/openmax/OMX_IndexExt.h
index 479e9b8..bbb3193 100644
--- a/headers/media_plugin/media/openmax/OMX_IndexExt.h
+++ b/headers/media_plugin/media/openmax/OMX_IndexExt.h
@@ -101,6 +101,7 @@
     OMX_IndexConfigOperatingRate,                   /**< reference: OMX_PARAM_U32TYPE in Q16 format for video and in Hz for audio */
     OMX_IndexParamConsumerUsageBits,                /**< reference: OMX_PARAM_U32TYPE */
     OMX_IndexConfigLatency,                         /**< reference: OMX_PARAM_U32TYPE */
+    OMX_IndexConfigLowLatency,                      /**< reference: OMX_CONFIG_BOOLEANTYPE */
     OMX_IndexExtOtherEndUnused,
 
     /* Time configurations */