API and preloaded classes updates to corespond to the luni r823222 update.

See https://android-git.corp.google.com/g/29602
diff --git a/preloaded-classes b/preloaded-classes
index 4866b14..83a2b26 100644
--- a/preloaded-classes
+++ b/preloaded-classes
@@ -939,9 +939,9 @@
 org.apache.harmony.luni.internal.net.www.protocol.http.Handler
 org.apache.harmony.luni.internal.net.www.protocol.https.Handler
 org.apache.harmony.luni.internal.net.www.protocol.jar.Handler
-org.apache.harmony.luni.internal.net.www.protocol.jar.JarURLConnection
-org.apache.harmony.luni.internal.net.www.protocol.jar.JarURLConnection$1
-org.apache.harmony.luni.internal.net.www.protocol.jar.JarURLConnection$JarURLConnectionInputStream
+org.apache.harmony.luni.internal.net.www.protocol.jar.JarURLConnectionImpl
+org.apache.harmony.luni.internal.net.www.protocol.jar.JarURLConnectionImpl$1
+org.apache.harmony.luni.internal.net.www.protocol.jar.JarURLConnectionImpl$JarURLConnectionInputStream
 org.apache.harmony.luni.internal.util.TimezoneGetter
 org.apache.harmony.luni.internal.util.ZoneInfo
 org.apache.harmony.luni.internal.util.ZoneInfoDB