Reland "Change PointerController to display space"

02b0545d

Changes since the first time it landed:
- Unregister the WindowInfosLisntener in PointerController's destructor.

Bug: 188939842
Bug: 144544464
Bug: 206817973
Test: forrest run - CtsHardwareTestsCases

Change-Id: I92a3f128545e73c85d2a5079ee914e2f890c4308