Add an OWNERS file am: 671355f22a

Original change: https://android-review.googlesource.com/c/platform/external/timezone-boundary-builder/+/1288772

Change-Id: I0841dacf8dc8cd19ae762335cc012d2fd5add45c
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..2f5a957
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,3 @@
+nfuller@google.com
+vichang@google.com
+android-libcore-team+review@google.com