Merge "Add the string for new flow to hint user about triple-tap will delay...

Merge "Add the string for new flow to hint user about triple-tap will delay when user select triple-tap shortcut on window-mode." into tm-dev am: f8f1ff25

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/17217203

Change-Id: I4aa54b397fd73f38c24f33ad5feb5aeefbbb0f30