Fix build rule

Bug: 292141694
Test: atest CtsUtilTestCasesRavenwood
Change-Id: I4068c227b4d42b34d2a7e1e5da2032a870b3cfc2
diff --git a/ravenwood/Android.bp b/ravenwood/Android.bp
index 3f46ab8..e013a3e 100644
--- a/ravenwood/Android.bp
+++ b/ravenwood/Android.bp
@@ -34,6 +34,7 @@
         "framework-minus-apex.ravenwood",
         "junit",
     ],
+    sdk_version: "core_current",
     visibility: ["//frameworks/base"],
 }