Should the Launcher's database become corrupted by
mysterious forces (e.g.: third-party launchers; botched
upgrades; smoke monsters) in such a way as to cause two
items to share the same cell, we now ignore loading the
latter.
Prevents a runtime crash (http://b/2655516).
Bug: 2655516
Change-Id: Ia514746f04f0e51b2cd07e9290589a6eab75bdd2
used for the workspace.
Consolidate the three icon resampling functions into one.
Ensure that the icons stored in LauncherProvider are the right size, so we don't have to resample
them each time we load them.
