Fix the save button issue.

When dealing with non Fx filters, the hasModification() really need to go deep
to figure out whether things has changed.

bug:9468909

Change-Id: I89495f147f7af7c35490def84805aae98e3f917f
2 files changed
tree: 825e0a404d3a67c7d8eb0791f127e0a596ebd0b4
  1. res/
  2. src/
  3. src_pd/
  4. tests/
  5. tests_camera/