audio: add OWNERS for the README.md

Bug: 205884982
Test: N/A
Change-Id: Ia627e3845a078e6a4c545b13a723a6c5a038c53b
Merged-In: Ia627e3845a078e6a4c545b13a723a6c5a038c53b
diff --git a/audio/OWNERS b/audio/OWNERS
new file mode 100644
index 0000000..ede448c
--- /dev/null
+++ b/audio/OWNERS
@@ -0,0 +1 @@
+per-file README.md = elaurent@google.com,mnaganov@google.com