MdeModulePkg: Change complex DEBUG_CODE() to DEBUG_CODE_BEGIN/END()

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3767

Update use of DEBUG_CODE(Expression) if Expression is a complex code
block with if/while/for/case statements that use {}.

Cc: Andrew Fish <afish@apple.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Michael Kubacki <michael.kubacki@microsoft.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>

MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c

@@ -335,12 +335,12 @@ InitializeGraphicsConsoleTextMode (
     }
   }
 
-  DEBUG_CODE (
+  DEBUG_CODE_BEGIN ();
     for (Index = 0; Index < ValidCount; Index++) {
       DEBUG ((DEBUG_INFO, "Graphics - Mode %d, Column = %d, Row = %d\n",
                            Index, NewModeBuffer[Index].Columns, NewModeBuffer[Index].Rows));
     }
-  );
+  DEBUG_CODE_END ();
 
   //
   // Return valid mode count and mode information buffer.