ximgproc: optimize Adaptive Manifold function for ARM64#3980

asmorkalov merged 2 commits intoopencv:4.xopencv/opencv_contrib:4.xfrom

pratham-mcw:opt-arm64-adaptive-manifold-unrollpratham-mcw/opencv_contrib:opt-arm64-adaptive-manifold-unrollCopy head branch name to clipboard