Revert "Single pane for 10" Settings"

This reverts commit 56f51a8927f53bee81145fe29e63af8a87e6fd1b.

Change-Id: If5c7be247caeeb4ec3e0bceed86bc5763d74f927

Conflicts:
	res/values/dimens.xml
	src/com/android/settings/Settings.java