thermal: enable VIRTUAL-CHARGE sensor for thermal_recorder

Remove "Hidden" to enable VIRTUAL-CHARGE sensor for thermalservice,
So that thermal_recorder can record the temperature and seveirty for
tuning.

Bug: 242944140
Test: thermalservice can read VIRTUAL CHARGE sensors.
Temperature{mValue=26.606302, mType=3, mName=VIRTUAL-SKIN, mStatus=0}
Temperature{mValue=26.577953, mType=-1, mName=VIRTUAL-SKIN-CHARGE, mStatus=0}
Temperature{mValue=26.92495, mType=-1, mName=VIRTUAL-SKIN-CHARGE-WLC, mStatus=0}

Change-Id: Icc38895d19ff7d89e307e96c2b35e26d43c1a753

thermal_info_config_lynx.json

@@ -193,7 +193,6 @@
         {
             "Name":"VIRTUAL-SKIN-CHARGE",
             "Type":"UNKNOWN",
-            "Hidden":true,
             "VirtualSensor":true,
             "TriggerSensor":"skin_therm1",
             "Formula":"MAXIMUM",
@@ -235,7 +234,6 @@
         {
             "Name":"VIRTUAL-SKIN-CHARGE-WLC",
             "Type":"UNKNOWN",
-            "Hidden":true,
             "VirtualSensor":true,
             "TriggerSensor":"skin_therm1",
             "Formula":"WEIGHTED_AVG",