Algorithm is incorrect to find paths

[iyotetsuya]

the current one is incorrect.

RectangleDetection/app/src/main/java/io/github/iyotetsuya/rectangledetection/utils/OpenCVHelper.java

Line 164 in 823dc19

Collections.sort(cameraPoints, (lhs, rhs) ->

rough idea:

1. use four points to get center point
2. get angle values from the center point, (x,0) and each one of 4 points.
3. sort those angle values.