Merge "Polish the back to home gesture animation to match the spec." into...

Merge "Polish the back to home gesture animation to match the spec." into tm-dev am: cf806451 am: 08805831

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17646341



Change-Id: Ibabff84f94f739f031840ded295380201f88b7ce
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>