RDK-55089: Update rdk-gstreamer-realtek to support NRDP7

Reason for change: Sync this layer with stable2 branch that contains
the implementation of APIs that are needed by NRDP7
(rdkcentral/gstreamer-netflix-platform#5) MERGED
Test Procedure: Check Compilation and Netflix app launch
Risks: Low
Priority:
Signed-off-by: Vinod Jacob <[email protected]>
(cherry picked from commit b1d7ec0)

Author: vinod-jacob

conf/include/rdk-headers-versions.inc

@@ -37,6 +37,6 @@ PV:pn-iarmbus-headers = "1.0.1"
 PR:pn-iarmbus-headers = "r0"
 SRCREV:pn-iarmbus-headers = "6ed35ebb886a8ac01812d8bfe5b4c3a89f9ace38"
 
-PV:pn-rdk-gstreamer-utils-headers = "1.0.0"
+PV:pn-rdk-gstreamer-utils-headers = "2.0.0"
 PR:pn-rdk-gstreamer-utils-headers = "r0"
-SRCREV:pn-rdk-gstreamer-utils-headers = "ceb1e846dc1c959dae401db6036bd133fecc9d52"
+SRCREV:pn-rdk-gstreamer-utils-headers = "f6e7e0c0e09e67785d0c59531719b970bbe32c86"