So we can use different scales of the default activity icon, switch to
using the mipmap version of it.
Bug: 3325002
Change-Id: I3307bc8959829958e0da4ab2a9238c89ff9fdead
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.
Kenny Root
Michael Jurka
Joe Onorato
Romain Guy