omx: add OMX_IndexParamConsumerUsageBits

This is used by framework to query buffer consumers (e.g. video encoders)
about required usage bits.

Bug: 13222807
Change-Id: I508335c9d753c7a7224bb882f2228bd2f4144031
diff --git a/include/media/openmax/OMX_IndexExt.h b/include/media/openmax/OMX_IndexExt.h
index 51bba31..25bea1f 100644
--- a/include/media/openmax/OMX_IndexExt.h
+++ b/include/media/openmax/OMX_IndexExt.h
@@ -85,6 +85,7 @@
     OMX_IndexConfigAutoFramerateConversion,         /**< reference: OMX_CONFIG_BOOLEANTYPE */
     OMX_IndexConfigPriority,                        /**< reference: OMX_PARAM_U32TYPE */
     OMX_IndexConfigOperatingRate,                   /**< reference: OMX_PARAM_U32TYPE in Q16 format for video and in Hz for audio */
+    OMX_IndexParamConsumerUsageBits,                /**< reference: OMX_PARAM_U32TYPE */
 
     /* Time configurations */
     OMX_IndexExtTimeStartUnused = OMX_IndexKhronosExtensions + 0x00900000,