Merge "Launcher side implementation of gesture seekable back to home...

Merge "Launcher side implementation of gesture seekable back to home animation." into tm-dev am: 1b4d9b3b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17086406

Change-Id: Ia0b024a9c797d514c4fa2638e4a9f5c997f8fff1