Add new API DebugSessionIsActive() (#3043)

Author: josesimoes

src/HAL/Include/nanoHAL_v2.h

@@ -227,6 +227,7 @@ extern "C"
     // target specific handler for power mode changes (may be empty)
     void CPU_SetPowerModeTarget(PowerLevel_type powerLevel);
     bool DebuggerIsConnected();
+    bool DebugSessionIsActive();
 
 #ifdef __cplusplus
 }

src/HAL/nanoHAL_SystemInformation.cpp

@@ -69,3 +69,10 @@ bool DebuggerIsConnected()
 {
     return ((g_CLR_RT_ExecutionEngine.m_iDebugger_Conditions & CLR_RT_ExecutionEngine::c_fDebugger_Enabled) != 0);
 }
+
+bool DebugSessionIsActive()
+{
+    return (
+        (g_CLR_RT_ExecutionEngine.m_iDebugger_Conditions & CLR_RT_ExecutionEngine::c_fDebugger_SourceLevelDebugging) !=
+        0);
+}