Add OWNERS file

Test: normal build
Bug: 33166666
Change-Id: I86e1870a4534538c357a4795581b0738be08414b
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..96be169
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,5 @@
+# Default maintainers and code reviewers:
+srhines@google.com
+pirama@google.com
+chh@google.com
+android-llvm-dev+owners-review@google.com