Merge media tables on TV profile
This patch brings the following changes:
1. Media information from external storage is inserted into the media table.
2. According to 1., 'media_view' and related codes are deleted.
3. Tables are no longer created or deleted during runtime.
4. When a new external storage is inserted, information about the old external storage is deleted.
5. According to 4., db storage space check is deleted.
Change-Id: I69cb27756da9be60ef0e98e8885840ccc6e07aa2
Signed-off-by: Minje Ahn <minje.ahn@samsung.com>