Add default code reviewers into OWNERS

Bug: 33166666
Test: gerrit uploader
Change-Id: I6c5400d8873725cdd9365d329d51d8b02eae56bc
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..75a2c24
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1 @@
+include platform/prebuilts/gcc/linux-x86/x86/x86_64-linux-android-4.9:/OWNERS