RDKEMW-6681: getDolbyVisionMode api fails to return "Dark/Bright" in response for AVOutput plugins.

Reason for change: Added condition in getDolbyVisionMode() to return error for non DV content.
Test Procedure: as per JIRA
Risks: None
Priority: P2
Signed-off-by: Anbarasan R <[email protected]>

Author: anbarasan2710

middleware-generic.xml

@@ -11,7 +11,7 @@
   <annotation name="MANIFEST_EXPORT_PATH1" value="MANIFEST_PATH_BBLAYERS_TEMPLATE" />
   </project>
 
-  <project groups="rdk" name="meta-rdk-video" path="meta-rdk-video" remote="rdkcentral" revision="87f0a4a7555f70c213aa15b7c2a8d8bc87ad1d95">
+  <project groups="rdk" name="meta-rdk-video" path="meta-rdk-video" remote="rdkcentral" revision="f51988ebe46021798eee1b241541b5c22af66e1a">
   <annotation name="MANIFEST_EXPORT_PATH" value="MANIFEST_PATH_RDK_VIDEO" />
   </project>