Store newGestureState before onConsumerAboutToBeSwitched clears it am: b47a99e3cc am: fa5559ff64 am: b2676f22d9

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

Change-Id: Ia7e682c0715ae83844f15c40dbc49fd18e38ee82