Bump build-tools and play-services version
Bump build-tools and play-services version

Also, I couldn't find any dependency on ColorPickerPreference.
Sure that it is still used in this project?
niyueming/Pedometer,hibernate2011/Pedometer,MilanNz/Pedometer,ayyb1988/Pedometer,hgl888/Pedometer,dhootha/Pedometer,j4velin/Pedometer