gs101: Modify system and system-background gropus

NormalPerformance is for system, and ServicePerformance is for
system-background.

Bug: 182509410
Test: build pass
Change-Id: Ifeec11de42fa880cd00b34d504bf6d8ff90dd15c
diff --git a/task_profiles.json b/task_profiles.json
index e4f9c07..445ad43 100644
--- a/task_profiles.json
+++ b/task_profiles.json
@@ -81,7 +81,7 @@
           "Name": "WriteFile",
           "Params":
           {
-            "FilePath": "/sys/kernel/vendor_sched/clear_group",
+            "FilePath": "/sys/kernel/vendor_sched/set_task_group_sys",
             "Value": "<pid>",
             "LogFailures": "false"
           }
@@ -155,7 +155,7 @@
       ]
     },
     {
-      "Name": "SystemBGPerformance",
+      "Name": "ServicePerformance",
       "Actions": [
         {
           "Name": "JoinCgroup",