Update max API level for BC features to 27.

When this code was written, API level 27 wasn't public, so the limit
was set at 26.  Update it to 27 now that it's public.

Test: cts -m CtsLibcoreTestCases
Bug: 74612138
Change-Id: I3f1d17aa6cba30658db3d016a9dc74639c97f8a2
diff --git a/ojluni/src/main/java/sun/security/jca/Providers.java b/ojluni/src/main/java/sun/security/jca/Providers.java
index fe9fd55..a9634f0 100644
--- a/ojluni/src/main/java/sun/security/jca/Providers.java
+++ b/ojluni/src/main/java/sun/security/jca/Providers.java
@@ -291,7 +291,7 @@
      *
      * @hide
      */
-    public static final int DEFAULT_MAXIMUM_ALLOWABLE_TARGET_API_LEVEL_FOR_BC_DEPRECATION = 26;
+    public static final int DEFAULT_MAXIMUM_ALLOWABLE_TARGET_API_LEVEL_FOR_BC_DEPRECATION = 27;
 
     private static int maximumAllowableApiLevelForBcDeprecation =
             DEFAULT_MAXIMUM_ALLOWABLE_TARGET_API_LEVEL_FOR_BC_DEPRECATION;