Update default emulator values for HVAC_TEMPERATURE_VALUE_SUGGESTION

Bug: 270448817
Test: atest CtsCarTestCases:CarPropertyManagerTest
Change-Id: I21d9a600475effdd37881630fc49e7247cdad283
diff --git a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
index 28790e2..ae36290 100644
--- a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
+++ b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
@@ -2371,7 +2371,7 @@
                     66.19999694824219,
                     "VehicleUnit::FAHRENHEIT",
                     19.0,
-                    66.5
+                    66.0
                 ]
             }
         },