Add myself to OWNERS.

Need access to this project in order to align it with the fdo upstream
repository.

Bug: 62066689
Bug: 79166135
Bug: 110286355
Change-Id: I3a2bcac57e214d43ab6d417f87f76ab7a95b5d68
Signed-off-by: Alistair Strachan <astrachan@google.com>
diff --git a/OWNERS b/OWNERS
index 0aeda92..0a442be 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,3 +1,4 @@
+astrachan@google.com
 marcheu@google.com
 marissaw@google.com
 seanpaul@google.com