Mms: Enforce thumbnail rotation when needed (CYAN-503)

Prior Behavior: ThumbnailManager will bail on bitmap operations if no
re-scaling is needed.

New Behavior: ThumbnailManager will bail on bitmap operations if no re-scaling
AND no orientation adjustment is needed.

Change-Id: Ib5f49ce9fcd5f981407cac5a33bb8e77fdf13a01