am 55e7bdc7: Reconcile with jb-mr1-factory-release jb-mr1-release - do not merge

* commit '55e7bdc7': (128 commits)
  Cleaning up keyguard persistence threads when the pager is detached. (Bug 7460991)
  Fix ordering bug
  Track size changes correctly for static wallpapers
  Stop reloading wallpaper bitmap
  Avoid redundant wallpaper loading/drawing
  Show clear all when returning from flip quick settings.
  Fade out the notification/settings panels just before close.
  Fix Bluetooth QS tile.
  Fixes for QS:
  Revert "This restores JB MR0 behavior where the framework throws an exception for improper layouts that are missing layout_width and/or layout_height."
  Hide settings button from tablet notification panel.
  Quickening.
  Fix ApplicationInfo copy ctor
  Fix NPE in quick settings tiles.
  Fix for bug 7358703 Gmail ANR when trying to compose a message
  Fix inoperative "Forgot pattern" button when face unlock enabled
  Add new tablet sound set Bug: 73516727
  Update alarm sounds and tune some ringtones Bug: 73516727 Bug: 5502770 Bug: 7312457
  Flipping quick settings!
  Flag window animation transactions as animations.
  ...