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/composer/2.1/IComposerClient.hal b/graphics/composer/2.1/IComposerClient.hal
index f2ff932..5ad46f0 100644
--- a/graphics/composer/2.1/IComposerClient.hal
+++ b/graphics/composer/2.1/IComposerClient.hal
@@ -1138,7 +1138,7 @@
         SET_LAYER_Z_ORDER                  = 0x40a << OPCODE_SHIFT,
         SET_PRESENT_OR_VALIDATE_DISPLAY_RESULT = 0x40b << OPCODE_SHIFT,
 
-        /** 0x800 - 0xfff are reserved for vendor extensions */
-        /** 0x1000 - 0xffff are reserved */
+        /* 0x800 - 0xfff are reserved for vendor extensions */
+        /* 0x1000 - 0xffff are reserved */
     };
 };