Changing color in hairsegmentationgpu in real-time

[PrinceP]

Feature implemented

In hairsegmentationgpu android solution, color can change in real time.
The color values are taken from user in android activity and passed into the graph.

Demo

Files changed

1. Color slider calculator is added to collect 3 values - R,G,B into a RGB_OUT array.
2. recolor calculator is changed to take RGB_OUT input and replace the values for color.
3. Added a separate android repo to add R,G,B values in hairsegmentationgpu graph for user's input.