Merge "libutils: Fix missing definition of shared_ptr and unique_ptr" am:...

Merge "libutils: Fix missing definition of shared_ptr and unique_ptr" am: dfdcc31d am: 11c22fcc am: fc262c5d

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2318113



Change-Id: I17bdc15fbb557e87702fe0ac7653a0cd7a076959
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>