Merge "New app animation specs." into sc-qpr1-dev am: 686d42a1d4 am: 7e5f1003bd am: d4e7420c52

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15587964

Change-Id: I811c983b2eab6ace95057f894e37cacd3b320bab