[automerger skipped] Move PointerController from sp to shared_ptr am:...

[automerger skipped] Move PointerController from sp to shared_ptr am: a0bc6b1d am: adc51348 -s ours am: 177cf9fd -s ours am: 46ec339e -s ours am: 74c4feb6 -s ours

am skip reason: Change-Id I4e665d00c56b44c9c1a4ea8cb27ffd10ade3315b with SHA-1 3a09650f is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1356605

Change-Id: Ifa2a368cc63cd29b62f8bf056996f9f6d4cd25a0