ARCore Depth Lab with ARCore SDK v1.24.0 and Unity 2019.4

This release targets Unity 2019.4 or newer and requires ARCore SDK for Unity v1.24.0 or newer. Please follow the Unity project setup section in README.md to set up the project. The codebase contains the following features of ARCore Depth Lab, including: oriented 3D reticles, depth map visualization, collider with depth mesh, avatar locomotion, raw point cloud visualization, recording and playback, material wrapping, paint splat, laser beam reflections, environment relighting, AR fog effect, AR rain effect, AR snow effect, depth-of-field blur, water effect, object placement, depth mesh visualization, and 3D photo effect.