Make JavascriptInterface annotation public.

Bug: 7073422

This change makes @JavascriptInterface public and it requires
using this annotation to allow javascript access to public java
methods for API level JELLY_BEAN_MR1 and above. The behavior
does not change for API levels JELLY_BEAN and below.

Change-Id: I4108b17cf71b9ac273d7b61b1c8f7f5581e922ee
4 files changed