Add owners for fs_config

Test: n/a
Change-Id: I3f81216444240acfbc86c3ef5c21e142107eb044
diff --git a/tools/fs_config/OWNERS b/tools/fs_config/OWNERS
new file mode 100644
index 0000000..5599644
--- /dev/null
+++ b/tools/fs_config/OWNERS
@@ -0,0 +1,2 @@
+tomcherry@google.com
+salyzyn@google.com