update the find_apps.py, now it will generate build and preserve keys

tools/find_build_apps/common.py

@@ -71,6 +71,8 @@ class BuildItem(object):
             sdkconfig_path,
             config_name,
             build_system,
+            build_or_not,
+            preserve_artifacts,
     ):
         # These internal variables store the paths with environment variables and placeholders;
         # Public properties with similar names use the _expand method to get the actual paths.
@@ -84,6 +86,9 @@ class BuildItem(object):
         self.target = target
         self.build_system = build_system
 
+        self.build = build_or_not
+        self.preserve = preserve_artifacts
+
         self._app_name = os.path.basename(os.path.normpath(app_path))
 
         # Some miscellaneous build properties which are set later, at the build stage
@@ -155,6 +160,8 @@ class BuildItem(object):
             "config": self.config_name,
             "target": self.target,
             "verbose": self.verbose,
+            "build": self.build,
+            "preserve": self.preserve,
         })
 
     @staticmethod
@@ -172,6 +179,8 @@ class BuildItem(object):
             config_name=d["config"],
             target=d["target"],
             build_system=d["build_system"],
+            build_or_not=d["build"],
+            preserve_artifacts=d["preserve"]
         )
         result.verbose = d["verbose"]
         return result