powerhint: add CPU_LOAD_RESET rule

Set minimum mif freq for 1st frame to avoid memlat can't reflect in
time.

Test: Build and check 1st frame boost
Bug: 259275437
Bug: 263383561

Change-Id: I48c563ff6a565598e90243b16a27068be69c85eb
Signed-off-by: Luke Chang <[email protected]>

powerhint.json

@@ -722,6 +722,12 @@
       "Duration": 2000,
       "Value": "9999999"
     },
+    {
+      "PowerHint": "CPU_LOAD_RESET",
+      "Node": "MemFreq",
+      "Duration": 33,
+      "Value": "1014000"
+    },
     {
       "PowerHint": "CAMERA_LAUNCH",
       "Node": "MemFreq",