Move test/vainfo into test/vainfo/*
    Add prototype of vaCreateSurfacesForUserPtr for V4L2 user pointer support
    Fix klocwork critical issues. Use strnlen and snprintf instead of strlen and sprintf.
    New interface vaQuerySrufaceError for decode error report and concealment
    Encode data structure change (long term reference picture interface)
    Add h264 constrained baseline profile support.
Signed-off-by: Elaine Wang <elaine.wang@intel.com>
Signed-off-by: Bignlin Chen <binglin.chen.wang@intel.com>
Signed-off-by: Yan Zhuang <yanx.zhunag@intel.com>
Signed-off-by: Guoliang Ji <guoliangx.ji@intel.com>