Add default active developers into OWNERS

Bug: 33166666
Test: gerrit uploader
Change-Id: Ica85b4412c840e4fbe2cbcfc87d3364a3309f34d
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..e8739a9
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,5 @@
+# Default owners are top 3 active developers of the past 1 or 2 years
+# or people with more than 10 commits last year.
+# Please update this list if you find better owner candidates.
+eugenesusla@google.com
+hhb@google.com