Store newGestureState before onConsumerAboutToBeSwitched clears it am: b47a99e3cc am: fa5559ff64 am: 47e7816c13 am: 990df186cd

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

Change-Id: Ibbee66b437dcf5200a1e6d3e19ab2c5a36e0ba5b