Bug 534050: [Tips] Save read state to preferences

* Removed unused tip constructor
* Added retrieval of provider id to save read state
* Saved state to preferences

Change-Id: Ifd7358f7c2e1687663954e9ef45e898f9765ccc1
Signed-off-by: Wim Jongman <wim.jongman@remainsoftware.com>
3 files changed