FW: move statusbar swipe handling into window service
-also fixes notification show key command
-if notification view is open swipe timer will be stoped and resumed when view is closed

Change-Id: I38b4228256e456ff7307fbf6870ee674350b9fb4

Conflicts:
	core/java/android/view/IWindowManager.aidl
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java