Reapply "Add local impl of mapper for libhidlmemory" am: 96424c6d69 am: 6b2e4d8810

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/2828377

Change-Id: I5eb184c4fa782b138f90036df18557c443b5c39d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>