Settings: Clean up SeekBar && Fine LongPress (1/1)

SeekBarPreference:
	-Way too many unused
	values that only complicated things.
	onProgressChanged is called to update
	the summary without issue.
	-Set future-proofing else {} to set the
	monitor box to JUST the progress value.
	-Set a "default" string @ int setting.
	-Set minimum Value method
	-Set a multiplier method to multiply
	value / summary.

Accessibility:
	Fine adjustment of long-press
	duration.

Change-Id: I93f4f817f2d745f5bf4a9881513642ac3f4bf16a