Store newGestureState before onConsumerAboutToBeSwitched clears it am: b47a99e3cc am: 5def85eb22 am: 6a107f62aa

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/11972618

Change-Id: I7f0373f2fefb9763242735bdff3fafab51102461