Add queue intercept support to the runtime.

Queue intercept is exposed as two tools-only APIs via the API
intercept table.

Change-Id: Iac9602ed3143974d85c3569e9092295ad18037f8

runtime/hsa-runtime/core/runtime/runtime.cpp

@@ -1320,12 +1320,10 @@ void Runtime::LoadTools() {
         add = (tool_add_t)os::GetExportAddress(tool, "AddAgent");
         if (add) add(this);
       }
-#ifndef NDEBUG
       else {
         if (flag().report_tool_load_failures())
-          fprintf(stderr, "Tool lib \"%s\" failed to load.\n", names[i].c_str());
+          debug_print("Tool lib \"%s\" failed to load.\n", names[i].c_str());
       }
-#endif
     }
   }
 }