Update ownership documentation

Bug: 374755446
Change-Id: Ia44f86b640c7dbd72ddbc68e065194084b66b9d0
diff --git a/teams/Android.bp b/teams/Android.bp
index 4c40287..8f29686 100644
--- a/teams/Android.bp
+++ b/teams/Android.bp
@@ -13,6 +13,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// DON'T ADD NEW RULES HERE. For more details refer to
+// go/new-android-ownership-model
+
 package {
     default_applicable_licenses: ["Android-Apache-2.0"],
 }
@@ -4475,3 +4478,6 @@
     // go/trendy/manage/engineers/6303298703949824
     trendy_team_id: "6303298703949824",
 }
+
+// DON'T ADD NEW RULES HERE. For more details refer to
+// go/new-android-ownership-model