Move PointerController from sp to shared_ptr

Bug: 160010896
Test: atest PointerController_test, manual usage
Change-Id: I4e665d00c56b44c9c1a4ea8cb27ffd10ade3315b
Merged-In: I4e665d00c56b44c9c1a4ea8cb27ffd10ade3315b
4 files changed