[cleanup] accept FIX_1288_SPLIT_REND_XSAN

#define FIX_1384_MSAN_stereo_tcx_core_enc               /* VA: issue 1384: fix use-of-uninitialized value in stereo_tcx_core_enc() */

#define FIX_1384_MSAN_ivas_spar_dec_open                /* VA: issue 1386: fix use-of-uninitialized value in ivas_spar_dec_open() */

#define FIX_1388_MSAN_ivas_init_decoder                 /* VA: issue 1388: fix use-of-uninitialized value in ivas_init_decoder() */

#define FIX_1288_SPLIT_REND_XSAN                        /* Dlb: Fix asan, msan and usan issues in split rendering mode*/

#define FIX_1370_EXTERNAL_ORIENTATION_CHECK             /* Nokia: add sanity check for Euler angles for external orientations */

#define FIX_1413_IGF_INIT_PRINTOUT                      /* FhG: use correct variable for IGF initiliazation */

#define CODE_IMPROVEMENTS