MT#55283 add missing EVS DTX handling

Change-Id: I04882d64df1f08d733a4fb87747f13c807e2795c
(cherry picked from commit de47c13b0b)

lib/codeclib.c

@@ -4947,6 +4947,8 @@ static void evs_def_init(struct codec_def_s *def) {
 }
 
 static int evs_dtx(decoder_t *dec, GQueue *out, int ptime) {
+	ilog(LOG_DEBUG, "pushing empty/lost frame to EVS decoder");
+	evs_push_frame(dec, NULL, 0, 0, 0, 0, out);
 	return 0;
 }