Add balsini@ as libsnapshot owner

Add balsini@ as libsnapshot owner to cover EMEA timezone.

Bug: n/a
Test: n/a
Change-Id: I2d5c900c62f202db2432df87f7847b0133872443
Signed-off-by: Alessio Balsini <balsini@google.com>
diff --git a/fs_mgr/libsnapshot/OWNERS b/fs_mgr/libsnapshot/OWNERS
index 0cfa7e4..801c446 100644
--- a/fs_mgr/libsnapshot/OWNERS
+++ b/fs_mgr/libsnapshot/OWNERS
@@ -1,2 +1,3 @@
+balsini@google.com
 dvander@google.com
 elsk@google.com