Convert all comments into "doxygen-ready" comments.

Bug: 36453077
Test: mma
Change-Id: I0b1f77dfae5d2258969e33d85ecf45401ffbdfaa
diff --git a/thermal/1.0/IThermal.hal b/thermal/1.0/IThermal.hal
index e5f70cb..31a65d4 100644
--- a/thermal/1.0/IThermal.hal
+++ b/thermal/1.0/IThermal.hal
@@ -18,7 +18,7 @@
 
 interface IThermal {
 
-    /*
+    /**
      * Retrieves temperatures in Celsius.
      *
      * @return status Status of the operation. If status code is FAILURE,
@@ -38,7 +38,7 @@
     getTemperatures()
         generates (ThermalStatus status, vec<Temperature> temperatures);
 
-    /*
+    /**
      * Retrieves CPU usage information of each core: active and total times
      * in ms since first boot.
      *
@@ -55,7 +55,7 @@
     @exit
     getCpuUsages() generates (ThermalStatus status, vec<CpuUsage> cpuUsages);
 
-    /*
+    /**
      * Retrieves the cooling devices information.
      *
      * @return status Status of the operation. If status code is FAILURE,