Avoid OWNERS file syntax error by introducing separate OWNERS for go.

Avoid the OWNERS file syntax error by introducing a separate OWNERS file
for the go/ generated bindings code. This avoids the "per-file globs
cannot span directories or use escapes" of the current approach. See the
attached bug.

BUG=chromium:1087076
TEST=None

Change-Id: I8703334f6ee38c5331bb86ae808a7af4c1908e88
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2219065
Commit-Queue: David Burger <dburger@chromium.org>
Tested-by: David Burger <dburger@chromium.org>
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>
diff --git a/OWNERS b/OWNERS
index a428313..dad6af5 100644
--- a/OWNERS
+++ b/OWNERS
@@ -22,6 +22,3 @@
 
 # Infra team
 shapiroc@chromium.org
-
-# Allow anyone to update the generated go bindings.
-per-file go/*=*
diff --git a/go/OWNERS b/go/OWNERS
new file mode 100644
index 0000000..64c7a77
--- /dev/null
+++ b/go/OWNERS
@@ -0,0 +1,3 @@
+# Allow anyone to update the generated go bindings.
+
+*