[lldb][NFCI] Add some missing SB class forward declarations

[bulbazord]

Summary

I noticed these were missing.

[mib]

LGTM!

[bulbazord]

Rebase onto main

lldb/include/lldb/API/SBDefines.h

 #define LLDB_DEPRECATED(MSG)
 #define LLDB_DEPRECATED_FIXME(MSG, FIX)
 #endif
 
 // Forward Declarations
 namespace lldb {
 
 class LLDB_API SBAddress;
+class LLDB_API SBAttachInfo;
 class LLDB_API SBBlock;
 class LLDB_API SBBreakpoint;
 class LLDB_API SBBreakpointLocation;
 class LLDB_API SBBreakpointName;
 class LLDB_API SBBreakpointNameImpl;
 class LLDB_API SBBroadcaster;
 class LLDB_API SBCommand;
 class LLDB_API SBCommandInterpreter;

 class LLDB_API SBLineEntry;
 class LLDB_API SBListener;
 class LLDB_API SBMemoryRegionInfo;
 class LLDB_API SBMemoryRegionInfoList;
 class LLDB_API SBModule;
 class LLDB_API SBModuleSpec;
 class LLDB_API SBModuleSpecList;
 class LLDB_API SBPlatform;
+class LLDB_API SBPlatformShellCommand;
 class LLDB_API SBProcess;
 class LLDB_API SBProcessInfo;
 class LLDB_API SBQueue;
 class LLDB_API SBQueueItem;
+class LLDB_API SBReproducer;
 class LLDB_API SBScriptObject;
 class LLDB_API SBSection;
 class LLDB_API SBSourceManager;
 class LLDB_API SBStream;
 class LLDB_API SBStringList;
 class LLDB_API SBStructuredData;
 class LLDB_API SBSymbol;
 class LLDB_API SBSymbolContext;