Fix doxygen comments for __android_log_message.

There's a different syntax for putting the comments _after_ the
members, but IMO more readable to just move them before the member.

Test: development/tools/ndk/build_ndk_docs.py
Bug: None
Change-Id: Iad113f449f9cb0996efc4b9d184d8e5b0ed5da85
diff --git a/liblog/include/android/log.h b/liblog/include/android/log.h
index 512c7cd..fc164d2 100644
--- a/liblog/include/android/log.h
+++ b/liblog/include/android/log.h
@@ -185,14 +185,26 @@
  * and sending log messages to user defined loggers specified in __android_log_set_logger().
  */
 struct __android_log_message {
-  size_t
-      struct_size;   /** Must be set to sizeof(__android_log_message) and is used for versioning. */
-  int32_t buffer_id; /** {@link log_id_t} values. */
-  int32_t priority;  /** {@link android_LogPriority} values. */
-  const char* tag;   /** The tag for the log message. */
-  const char* file;  /** Optional file name, may be set to nullptr. */
-  uint32_t line;     /** Optional line number, ignore if file is nullptr. */
-  const char* message; /** The log message itself. */
+  /** Must be set to sizeof(__android_log_message) and is used for versioning. */
+  size_t struct_size;
+
+  /** {@link log_id_t} values. */
+  int32_t buffer_id;
+
+  /** {@link android_LogPriority} values. */
+  int32_t priority;
+
+  /** The tag for the log message. */
+  const char* tag;
+
+  /** Optional file name, may be set to nullptr. */
+  const char* file;
+
+  /** Optional line number, ignore if file is nullptr. */
+  uint32_t line;
+
+  /** The log message itself. */
+  const char* message;
 };
 
 /**