SmoothProgressBar: Accelerate and Interpolator [2/2]

PS1 : reformat the code
PS2 : change method

Signed-off-by: hany <hany.alsamman@gmail.com>

Conflicts:
	res/values/probam_arrays.xml
	res/values/probam_strings.xml

Conflicts:
	res/values/ose_strings.xml

Conflicts:
	res/values/slim_strings.xml

Change-Id: I28ae011a8386eab1e7fa9b38b9df7b8f6f172c8a