Drawer test
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

Conflicts:

	src/com/android/settings/inputmethod/InputMethodPreference.java
	src/com/android/settings/nfc/AndroidBeam.java
	src/com/android/settings/wfd/WifiDisplaySettings.java
Cast activity as PreferenceDrawerActivity.

Change-Id: I225a518c69ce9e8cba98d741f969686f32c408fb
Revert "Drawer test"

This reverts commit 3139f9b4557de7ef5a9cbe0340a801d11a18cc54.
Profile fix and ready for drawer