Add the project information to each file's header comment.

BUG=None
TEST=None

Change-Id: I362bfbf18c42025a0248714aa5d69ecfaa1daa2b
Reviewed-on: https://gerrit-int.chromium.org/40826
Reviewed-by: Luis Lozano <llozano@chromium.org>
Commit-Queue: Yuheng Long <yuhenglong@google.com>
Tested-by: Yuheng Long <yuhenglong@google.com>
diff --git a/bestflags/generation.py b/bestflags/generation.py
index a6d38c8..413b63b 100644
--- a/bestflags/generation.py
+++ b/bestflags/generation.py
@@ -1,6 +1,9 @@
 """A generation of a set of tasks.
 
-This contains the core algorithm of producing the next generation of execution.
+Part of the Chrome build flags optimization.
+
+This module contains the core algorithm of producing the next generation of
+execution.
 """
 
 __author__ = 'yuhenglong@google.com (Yuheng Long)'