[Content] Code refactored not to use deprecated native API

[Content] Code refactored not to use deprecated native API

[Feature]
  - use internal native API in place of removed public API (added include *internal.h)
    int image_meta_set_orientation(image_meta_h, media_content_orientation_e)
    int image_meta_update_to_db(image_meta_h)
    int media_info_set_description(media_info_h, const char*)
    int media_info_set_display_name(media_info_h, const char*)
    int media_info_set_latitude(media_info_h, double)
    int media_info_set_longitude(media_info_h, double)
    int media_info_set_rating(media_info_h, int)
  - use stat instead of media_folder_get_modified_time()
  - removed usage of not documented enum MEDIA_CONTENT_STORAGE_CLOUD

[Related ACR] http://suprem.sec.samsung.net/jira/browse/ACR-1308

[Verification] tct-content - 100%

Change-Id: I37932c59549295e4d7154888406275168c49ab47
Signed-off-by: Piotr Kosko/Native/Web API (SWP) /SRPOL/Professional/삼성전자 <p.kosko@samsung.com>