parameterize epoch_count, the number of blackbox fuzz test runs

Change-Id: I902df4148eb85421eb0bdfc63663560157e6a732
diff --git a/sysfuzzer/common/specification_parser/SpecificationBuilder.h b/sysfuzzer/common/specification_parser/SpecificationBuilder.h
index edeee13..a974e58 100644
--- a/sysfuzzer/common/specification_parser/SpecificationBuilder.h
+++ b/sysfuzzer/common/specification_parser/SpecificationBuilder.h
@@ -39,7 +39,7 @@
  public:
   // Constructor where the first argument is the path of a dir which contains
   // all available interface specification files.
-  SpecificationBuilder(const string dir_path);
+  SpecificationBuilder(const string dir_path, int epoch_count);
 
   // scans the dir and returns an interface specification for a requested
   // component.
@@ -57,6 +57,8 @@
  private:
   // the path of a dir which contains interface specification ASCII proto files.
   const string dir_path_;
+  // the total number of epochs
+  const int epoch_count_;
 };
 
 }  // namespace vts