EndeavoruParts: adding s2w minimum length setting

User can set how many buttons must be swiped over to get s2w
activated. 1/2/3 buttons are the options.

Change-Id: I1e2adc95c3af927932e1dfa5859cba8a5b901acb
Merge "EndeavoruParts: adding s2w minimum length setting" into jb4.2