QCamera2: Avoid RAW+YUV for preview during video recording

- The RAW stream will not get added if the
  recording hint is set.

Change-Id: Ie03f5d776b6ce5fe843ee553634eb8440ee03df3
diff --git a/QCamera2/HAL/QCamera2HWI.cpp b/QCamera2/HAL/QCamera2HWI.cpp
index 1000497..3ae9c33 100644
--- a/QCamera2/HAL/QCamera2HWI.cpp
+++ b/QCamera2/HAL/QCamera2HWI.cpp
@@ -2877,7 +2877,8 @@
 
     property_get("persist.camera.raw_yuv", value, "0");
     raw_yuv = atoi(value) > 0 ? true : false;
-    if ( raw_yuv ) {
+    if ( raw_yuv &&
+         ( mParameters.getRecordingHintValue() == false ) ) {
         rc = addStreamToChannel(pChannel,
                                 CAM_STREAM_TYPE_RAW,
                                 preview_raw_stream_cb_routine,