sst: fix build, add PV_INCLUDES for PV_CAPABILITY

it's for PV_OMX_COMPONENT_CAPABILITY_TYPE_INDEX
diff --git a/sst/Android.mk b/sst/Android.mk
index 6651241..d78aaa6 100644
--- a/sst/Android.mk
+++ b/sst/Android.mk
@@ -17,6 +17,7 @@
 LOCAL_C_INCLUDES := \
 	$(WRS_OMXIL_CORE_ROOT)/utils/inc \
 	$(WRS_OMXIL_CORE_ROOT)/base/inc \
-	$(WRS_OMXIL_CORE_ROOT)/core/inc/khronos/openmax/include
+	$(WRS_OMXIL_CORE_ROOT)/core/inc/khronos/openmax/include \
+	$(PV_INCLUDES)
 
 include $(BUILD_SHARED_LIBRARY)