Add OWNERS file for audiomanager

Change-Id: I144104a2e3e8c7ab75b4ec68b7817421ee4bcd87
diff --git a/include/audiomanager/OWNERS b/include/audiomanager/OWNERS
new file mode 100644
index 0000000..2bd527c
--- /dev/null
+++ b/include/audiomanager/OWNERS
@@ -0,0 +1,2 @@
+elaurent@google.com
+jmtrivi@google.com