OWNERS: add owners to libion

Bug: none
Test: n/a

Change-Id: Ie6c462068acf6b6ad8cd6579feab05c2fa238a94
Signed-off-by: Sandeep Patil <sspatil@google.com>
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..143ad2d
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,2 @@
+sspatil@google.com
+hridya@google.com