Populate RELATIVE_X and RELATIVE_Y motion range for touchpad pointer capture mode. am: 1fb4530260 am: 8ed0e785be am: 96fb6c70ad

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1447899

Change-Id: Ia86ae64f61f8408b394d5a22cc71cc52a856b57e