Merge topic 'autogen_rcc_skip_unity' into release-3.16

086d9b2bab Autogen: Enable SKIP_UNITY_BUILD_INCLUSION on AUTORCC generated files

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Cristian Adam <cristian.adam@gmail.com>
Merge-request: !4237