Add information about app segment benchmarks in run_on_as_app

Change-Id: I8777e5fdd7b83eee2611c80a5a097690a2c08c7a
diff --git a/tools/run_on_as_app.py b/tools/run_on_as_app.py
index 0272301..89d0da2 100755
--- a/tools/run_on_as_app.py
+++ b/tools/run_on_as_app.py
@@ -64,6 +64,8 @@
 # For running on Golem all third-party repositories are bundled as an x20-
 # dependency and then copied to WORKING_DIR. To update the app-bundle use
 # 'run_on_as_app_x20_packager.py'.
+# For showing benchmark data, also include the app in appSegmentBenchmarks in
+# the file <golem_repo>/config/r8/benchmarks.dart.
 APP_REPOSITORIES = [
   # ...
   # Repo({