Remove bg group usage am: 2cf22ea5b3

Original change: https://googleplex-android-review.googlesource.com/c/device/google/gs101/+/16458558

Change-Id: Id9e26d771df0d5f0046f6ddc33a91dba772648c2
diff --git a/task_profiles.json b/task_profiles.json
index 864961f..fca5a07 100644
--- a/task_profiles.json
+++ b/task_profiles.json
@@ -74,7 +74,7 @@
           "Params":
           {
             "Controller": "cpu",
-            "Path": "dex2oat"
+            "Path": "system"
           }
         },
         {
@@ -135,7 +135,7 @@
           "Params":
           {
             "Controller": "cpu",
-            "Path": "background"
+            "Path": "system"
           }
         },
         {
@@ -245,7 +245,7 @@
           "Params":
           {
             "Controller": "cpu",
-            "Path": "system-background"
+            "Path": "system"
           }
         },
         {