Update MIFTargetLoad default values

Bug: 237365265
Test: build, boot and check the values
Change-Id: Ibdafe72dc7200c11f3aa84e49e49e6ed0d359b42

powerhint.json

@@ -145,9 +145,9 @@
       "Name": "MIFTargetLoad",
       "Path": "/sys/class/devfreq/17000010.devfreq_mif/interactive/target_load",
       "Values": [
-        "20 5 80",
         "20 10 80",
-        "80 10 80"
+        "80 10 80",
+        "60 10 40"
       ],
       "ResetOnInit": true
     },