Lockscreen: fix hiding of initial page hints for landscape

Change-Id: Ied7a1a0401b7dae9d1900202a51eda34552b4f63
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>

Conflicts:
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetCarousel.java