Use NO_VALUE in ground truth of exif test when no valid value from exiftool

Change-Id: Ia33edf0aba8562eb2dbd61b5753657f245bf7310
3 files changed
tree: 596475e71d429a43282b2d6880f042371dd4f91e
  1. gallerycommon/
  2. src/
  3. src_pd/
  4. tests/