Fix unwanted icon animation when pressing notif

The FastBitmapDrawable we are receiving from Launcher's icon factory
library has a built-in animation when pressed or hovered. We don't want
that for notifications, so let's turn it off.

Fix: 409889803
Test: manual
Flag: android.app.notifications_redesign_app_icons
Change-Id: I19ae27e1e3cba164142ee4b449ad468309b5d85a