Camera ITS: Skip param_tonemap_mode if contrast_curve mode is not supported

The check was introduced by aosp/1533033 but was later removed during
Camera ITS refactoring, probably because it was never merged into
internal master branch.

Bug: 268077998
Test: python tools/run_all_tests.py scenes=1_2
Change-Id: Icbcb314ac8df5a4f69ef9689a9d857487784ef50
2 files changed