sensors: get the full list of sensors

Samsung uses a special OperationMode (5555).

Thanks to Pierre-Hugues HUSSON for the hint.

Change-Id: I037ff5bf5a1edd65b616480d1c43cef8e61ba999
Signed-off-by: Jesse Chan <jc@lineageos.org>

hidl/sensors/Sensors.cpp

@@ -106,6 +106,9 @@ Sensors::Sensors()
         }
     }
 
+    /* Get us all sensors */
+    setOperationMode(static_cast<hardware::sensors::V1_0::OperationMode>(5555));
+
     mInitCheck = OK;
 }