Merge "Fix double-tap detection in TextView's SelectionModifierCursorController" into rvc-dev am: 2d4921d1f5 am: 470f2a61e2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11959987

Change-Id: I56d36eee7897a288df17f48758a72d55fc336033