Settings: add development animation transition mode 0.75

Change-Id: Iaaeb3757ef9b3b97d66d929629e9035ab511f72a
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
Settings: correct 0.75 animation scale for other lanuages and add 0.25

and a small cleanup for warnings

Change-Id: I07256fadacd0405b5049252b6bc3da9850adc3d1
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>

Conflicts:
	res/values-ja/arrays.xml