Add new items to the BrowserContract.

- Add a limit parameter for querying any table
- Add parameters for specifying an account when
  querying Bookmarks
- Add columns to read the source ID for a row's
  parent and insert_after references
- Add the Images, Combined, and Accounts tables

Change-Id: Ie382bc425565688b0006fa6d50765fdac226dd02
1 file changed