Revert "Revert "O is API 26""

This reverts commit e723c3720730d7f6f37b4d2b329ad2d77e75e9d8.

Bug: 37480230
Bug: 37355569
Change-Id: I32785d5b5f61e3fe7e9407bbcc983cb111f06a55
diff --git a/api/26.0.0-SNAPSHOT.txt b/api/26.0.0-SNAPSHOT.txt
index 16acf9c..3915d79 100644
--- a/api/26.0.0-SNAPSHOT.txt
+++ b/api/26.0.0-SNAPSHOT.txt
@@ -7791,7 +7791,7 @@
   public class BuildCompat {
     method public static deprecated boolean isAtLeastN();
     method public static deprecated boolean isAtLeastNMR1();
-    method public static boolean isAtLeastO();
+    method public static deprecated boolean isAtLeastO();
     method public static boolean isAtLeastOMR1();
     method public static boolean isAtLeastP();
   }