thermal: lower tj control temp during battery save

Use LOW_POWER power hint to detect and lower the control temp
for junction control loops.

Bug: 266011718
Test: Build and boot on device. Check thermal control temperatures
during battery save

Change-Id: If2e0756b24913ed5d71e499e219f7b60b947baaa

powerhint.json

@@ -1449,6 +1449,66 @@
       "Duration": 0,
       "Value": "1"
     },
+    {
+      "PowerHint": "LOW_POWER",
+      "Node": "BigControlTempSet",
+      "Duration": 0,
+      "Value": "80000"
+    },
+    {
+      "PowerHint": "LOW_POWER",
+      "Node": "MidControlTempSet",
+      "Duration": 0,
+      "Value": "80000"
+    },
+    {
+      "PowerHint": "LOW_POWER",
+      "Node": "LittleControlTempSet",
+      "Duration": 0,
+      "Value": "80000"
+    },
+    {
+      "PowerHint": "LOW_POWER",
+      "Node": "G3dControlTempSet",
+      "Duration": 0,
+      "Value": "80000"
+    },
+    {
+      "PowerHint": "LOW_POWER",
+      "Node": "TpuControlTempSet",
+      "Duration": 0,
+      "Value": "80000"
+    },
+    {
+      "PowerHint": "LOW_POWER",
+      "Node": "BigSwitchOnTempSet",
+      "Duration": 0,
+      "Value": "60000"
+    },
+    {
+      "PowerHint": "LOW_POWER",
+      "Node": "MidSwitchOnTempSet",
+      "Duration": 0,
+      "Value": "60000"
+    },
+    {
+      "PowerHint": "LOW_POWER",
+      "Node": "LittleSwitchOnTempSet",
+      "Duration": 0,
+      "Value": "60000"
+    },
+    {
+      "PowerHint": "LOW_POWER",
+      "Node": "G3dSwitchOnTempSet",
+      "Duration": 0,
+      "Value": "60000"
+    },
+    {
+      "PowerHint": "LOW_POWER",
+      "Node": "TpuSwitchOnTempSet",
+      "Duration": 0,
+      "Value": "60000"
+    },
     {
       "PowerHint": "REFRESH_90FPS",
       "Node": "TAUClampBoost",