Merge "Fix double-tap detection in TextView's SelectionModifierCursorController" into rvc-dev am: 2d4921d1f5 am: 470f2a61e2 am: 34510d77fd

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

Change-Id: Ia5ddfe5dc348c268c9be1e8a15e9f52d672bff87