Add missing @Deprecated annotations.

Add missing @Deprecated annotations for methods with @deprecated tag
in javadoc.

Change-Id: I35b78ccb97832d86b914c21a300444ba29e33844
diff --git a/core/java/android/webkit/WebChromeClient.java b/core/java/android/webkit/WebChromeClient.java
index 2d3b6ab..70a49fb 100644
--- a/core/java/android/webkit/WebChromeClient.java
+++ b/core/java/android/webkit/WebChromeClient.java
@@ -344,6 +344,7 @@
     // the default JS engine with Froyo and support for building with JSC was
     // removed in b/5495373. V8 does not have a mechanism for making a callback such
     // as this.
+    @Deprecated
     public boolean onJsTimeout() {
         return true;
     }