Update content dir search paths

Change-Id: Ia1eab34992a27ad8a4698d04392b7c76876fa357
Signed-off-by: Ievgen Mutavchi <Ievgen_Mutavchi@comcast.com>
(cherry picked from commit c5022991412a6abe32c42a044d2d74f8c7854334)

plugin/CobaltImplementation.cpp

diff --git a/plugin/CobaltImplementation.cpp b/plugin/CobaltImplementation.cpp
index eeb46c1..1a4bdd6 100644
--- a/plugin/CobaltImplementation.cpp
+++ b/plugin/CobaltImplementation.cpp
@@ -173,6 +173,15 @@
         Core::SystemInfo::SetEnvironment(_T("CLIENT_IDENTIFIER"), service->Callsign());
       }
 
+      std::string tmpVal;
+      if (!Core::SystemInfo::GetEnvironment(_T("COBALT_CONTENT_DIR"), tmpVal)) {
+          const char kContentDir[] =
+              "/usr/share/content/data:"
+              "/media/apps/libcobalt/usr/share/content/data:"
+              "/tmp/libcobalt/usr/share/content/data";
+          Core::SystemInfo::SetEnvironment(_T("COBALT_CONTENT_DIR"), kContentDir);
+      }
+
       SetThunderAccessPointIfNeeded();
 
       if (config.Url.IsSet() == true) {