Use the new PreferenceDrawerActivity to make use of the navigation drawer 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: Iced8cb2b4da6bc059426517ab052911d37814b59
Optipng -nc -nb -o7

Change-Id: Ia9c0997a0042f0e62d6ef9454aef1ae675c83945