Updating the framework to include the app package data

As part of our continous integration system it has become
clear that gathering the app package data as well as the
version name can provide useful.

Adding this functionality to mainline as it could prove
useful to other developers.

wa/framework/workload.py

@@ -727,6 +727,7 @@ class PackageHandler(object):
 
     def setup(self, context):
         context.update_metadata('app_version', self.apk_info.version_name)
+        context.update_metadata('app_name', self.apk_info.package)
         self.initialize_package(context)
         self.start_activity()
         self.target.execute('am kill-all')  # kill all *background* activities