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

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

Change-Id: I3a0fd6a4af4c210a1b91635f438b310a68e7a39d