Active Display: inline some methods to prevent duplicate calls

Change-Id: I7c4ffcf6157ff14625e428ddc06b7b9340aa98c4
lockscreen notifications: fix expand/clearall button behavior

also fix an NPE and some other minor code cleanups for efficiency

Change-Id: Id220d077ee6fea57e076c36f181e6acde7eb6d81
Merge changes Id220d077,I7c4ffcf6 into kk44

* changes:
  lockscreen notifications: fix expand/clearall button behavior
  Active Display: inline some methods to prevent duplicate calls
Halo: selectively add boost hints

boost at the start of moving the halo bubble for both reversed and regular
interactions.  Also boost for launching tasks from halo.

-VanirAOSP

Change-Id: I910fa0b13205f80c84894f252ed3668f887d4fed
Navbar: don't read the user config on every setupNavigationButtons call

It's only necessary to read the string when the user config has changed

Change-Id: I421c27d15202965b663c76f8a8574bede4ccb961
Merge "Navbar: don't read the user config on every setupNavigationButtons call" into kk44