Add Settings.Global configs to high temp warning.

Test: manual
Bug: 34480261
Change-Id: Icfd08c1c7dae456920b3978918ee01469e1dec95
diff --git a/packages/SystemUI/res/values/config.xml b/packages/SystemUI/res/values/config.xml
index ac86439..d6ed9d8 100644
--- a/packages/SystemUI/res/values/config.xml
+++ b/packages/SystemUI/res/values/config.xml
@@ -291,7 +291,7 @@
     <bool name="quick_settings_show_full_alarm">false</bool>
 
     <!-- Whether to show a warning notification when the device reaches a certain temperature. -->
-    <bool name="config_showTemperatureWarning">false</bool>
+    <integer name="config_showTemperatureWarning">0</integer>
 
     <!-- Temp at which to show a warning notification if config_showTemperatureWarning is true.
          If < 0, uses the value from HardwarePropertiesManager#getDeviceTemperatures. -->