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

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

Change-Id: Icbc58ede24cc1e575a65c7c250746f2adc8a2013