[atom_cpu_profiler_gem_promotion] migrated CPU frame data capture API and implementation from Atom over to Profiler gem

Signed-off-by: AMZN-ScottR <24445312+AMZN-ScottR@users.noreply.github.com>

Gems/Profiler/Code/Include/Profiler/ProfilerBus.h

@@ -9,6 +9,7 @@
 
 #include <AzCore/EBus/EBus.h>
 #include <AzCore/Interface/Interface.h>
+#include <AzCore/std/string/string.h>
 
 namespace Profiler
 {
@@ -17,21 +18,39 @@ namespace Profiler
     public:
         AZ_RTTI(ProfilerRequests, "{3757c4e5-1941-457c-85ae-16305e17a4c6}");
         virtual ~ProfilerRequests() = default;
-        // Put your public methods here
+
+        //! Dump a single frame of Cpu profiling data
+        virtual bool CaptureCpuProfilingStatistics(const AZStd::string& outputFilePath) = 0;
+
+        //! Start a multiframe capture of CPU profiling data.
+        virtual bool BeginContinuousCpuProfilingCapture() = 0;
+
+        //! End and dump an in-progress continuous capture.
+        virtual bool EndContinuousCpuProfilingCapture(const AZStd::string& outputFilePath) = 0;
     };
-    
+
     class ProfilerBusTraits
         : public AZ::EBusTraits
     {
     public:
-        //////////////////////////////////////////////////////////////////////////
         // EBusTraits overrides
         static constexpr AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
         static constexpr AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
-        //////////////////////////////////////////////////////////////////////////
     };
 
-    using ProfilerRequestBus = AZ::EBus<ProfilerRequests, ProfilerBusTraits>;
-    using ProfilerInterface = AZ::Interface<ProfilerRequests>;
+    class ProfilerNotifications
+        : public AZ::EBusTraits
+    {
+    public:
+        virtual ~ProfilerNotifications() = default;
 
+        //! Notify when the current CpuProfilingStatistics capture is finished
+        //! @param result Set to true if it's finished successfully
+        //! @param info The output file path or error information which depends on the return.
+        virtual void OnCaptureCpuProfilingStatisticsFinished(bool result, const AZStd::string& info) = 0;
+    };
+
+    using ProfilerInterface = AZ::Interface<ProfilerRequests>;
+    using ProfilerRequestBus = AZ::EBus<ProfilerRequests, ProfilerBusTraits>;
+    using ProfilerNotificationBus = AZ::EBus<ProfilerNotifications>;
 } // namespace Profiler