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

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

Change-Id: Ib03c02c0846e1deb1a92b793f3564a649a71ff52