User configurable right->left swipe (dim) power
User configurable left->right swipe (brighten) power
sysfs paths:
/sys/module/sweep2wake/parameters/s2d_enabled
/sys/module/sweep2wake/parameters/up_kcal
/sys/module/sweep2wake/parameters/down_kcal

User must disable s2w/s2s while using. Great for insta-privacy :D

Conflicts:
	drivers/video/msm/mdss/mdss_mdp_pp.c

Change-Id: I967e3bb07b239941ea51af6b09d61d7b08138f49