Add build OWNERS to third_party/android_platform/OWNERS

Change-Id: I69e326b8d90de1e380c5cbcf7e64cc095020345f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3307491
Auto-Submit: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Peter Wen <wnwen@chromium.org>
Commit-Queue: Peter Wen <wnwen@chromium.org>
Cr-Commit-Position: refs/heads/main@{#946960}
NOKEYCHECK=True
GitOrigin-RevId: 6974653360add32789f41518185a212d3473de24
diff --git a/OWNERS b/OWNERS
index 39f58e9..77aa190 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1 +1,3 @@
 agrieve@chromium.org
+
+file://build/android/OWNERS