planning: minor naming changes

modules/planning/conf/scenario_stop_sign_unprotected_config.pb.txt

@@ -92,8 +92,8 @@ stage_config: {
       speed_limit: 1.0
       max_valid_stop_distance: 0.4
       min_boundary_t: 6.0
-      ignore_max_min_t: 0.1
-      ignore_min_min_s: 15.0
+      ignore_max_st_min_t: 0.1
+      ignore_min_st_min_s: 15.0
     }
   }
   task_config: {

modules/planning/proto/decider_config.proto

@@ -13,8 +13,8 @@ message DeciderCreepConfig {
   optional double min_boundary_t = 4 [default = 6.0];  // second
   // tolerance min_t & min_s to ignore obstacles which are moving
   // on same direction of ADC while creeping
-  optional double ignore_max_min_t = 5 [default = 0.1];  // second
-  optional double ignore_min_min_s = 6 [default = 15.0];  // meter
+  optional double ignore_max_st_min_t = 5 [default = 0.1];  // second
+  optional double ignore_min_st_min_s = 6 [default = 15.0];  // meter
 }
 
 message RuleCrosswalkConfig {

modules/planning/testdata/conf/scenario_stop_sign_unprotected_config.pb.txt

@@ -92,8 +92,8 @@ stage_config: {
       speed_limit: 1.0
       max_valid_stop_distance: 0.4
       min_boundary_t: 6.0
-      ignore_max_min_t: 0.1
-      ignore_min_min_s: 15.0
+      ignore_max_st_min_t: 0.1
+      ignore_min_st_min_s: 15.0
     }
   }
   task_config: {

modules/planning/toolkits/deciders/decider_creep.cc

@@ -145,9 +145,9 @@ bool DeciderCreep::CheckCreepDone(const Frame& frame,
         // along the direction of ADC
         if (obstacle_traveled_s < kepsilon &&
             obstacle->reference_line_st_boundary().min_t() <
-                creep_config.ignore_max_min_t() &&
+                creep_config.ignore_max_st_min_t() &&
             obstacle->reference_line_st_boundary().min_s() >
-                creep_config.ignore_min_min_s()) {
+                creep_config.ignore_min_st_min_s()) {
           continue;
         }
         all_far_away = false;