Fix broken EXTENDED_MEDIA_MODE build
Fix broken EXTENDED_MEDIA_MODE build

During CMake refactoring, the necessary include directories for gstreamer were removed from the list for the main executable. This resulted in an build error during the `make` step where the gstreamer headers could not be found. These changes fix this issue.
APCVSRepo/sdl_core,LuxoftAKutsan/sdl_core,smartdevicelink/sdl_core,APCVSRepo/sdl_core,smartdevicelink/sdl_core,LuxoftAKutsan/sdl_core,APCVSRepo/sdl_core,LuxoftAKutsan/sdl_core,APCVSRepo/sdl_core,LuxoftAKutsan/sdl_core,smartdevicelink/sdl_core,LuxoftAKutsan/sdl_core,smartdevicelink/sdl_core,APCVSRepo/sdl_core,LuxoftAKutsan/sdl_core