Update comments for doc comments.

Doc comments look like "/** ... */" and they
can only be in certain places.

Bug: 79865343
Test: m
Change-Id: Ic15c08ff7dc6e4f9827c1dbe7f7236c11a572ec1
Merged-In: Ic15c08ff7dc6e4f9827c1dbe7f7236c11a572ec1
diff --git a/graphics/bufferqueue/1.0/IGraphicBufferProducer.hal b/graphics/bufferqueue/1.0/IGraphicBufferProducer.hal
index 87bb814..c59a16c 100644
--- a/graphics/bufferqueue/1.0/IGraphicBufferProducer.hal
+++ b/graphics/bufferqueue/1.0/IGraphicBufferProducer.hal
@@ -546,7 +546,7 @@
      */
     disconnect(
             int32_t api,
-            DisconnectMode mode /** = DisconnectMode::API */
+            DisconnectMode mode /* = DisconnectMode::API */
         ) generates (
             Status status
         );