LayerActivity: Corrected lifecycle
Should contemplate the case that the activity gets stopped
Revert "Lock screen: Hide initial pages hints feature (1/2)"

This reverts commit 485ae801d669f1b09e55842e1bab0ece62f93165.
Fix little derp causing visual bug

To reproduce, disable halo, and press "clear all notifications" button

Change-Id: Ice7ab62229e27db53ef51fd5df55dbcd0a86358b
Merge branch 'jellybean' of github.com:ParanoidAndroid/android_frameworks_base into jellybean-legacy