libhidlmemory: Add host support am: 830f03e641 am: 965ee97c87 am: ab7bc8aa77

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/1330896

Change-Id: I819423de00f7bbd02b84ded67f87cd3130e2b3a6