Use the new PreferenceDrawerActivity to make use of the navigation dr…

…awer UI.

Patch Set 1:
  Only the main Settings activity and referneces to it should be using
  the PreferenceDrawerActivity, all others should continue to use the
  standard PreferenceActivity.

Change-Id: Icd4ccc13cd6b44fba5a608897e099da00fce3f80