Merge "Define a set of methods on Launcher which can be safely called externally" into ub-launcher3-calgary
am: a332ae8

* commit 'a332ae84c1924472ab607a08f94c2da66dd23f27':
  Define a set of methods on Launcher which can be safely called externally

Change-Id: I71d87736aa9e08e2e7d934446b0068d0b2a6a04a