AIDL stub libs: on host

Not super nice that we need to work around some missing libc defined,
but b/31559095 (bionic on host) should fix this.

The motivation is so that unit tests can use libbinder and AIDL libs
without having to abstract them away or do other hacks.

Bug: 124524556
Test: builds
Change-Id: I0ac80cb518ca08683f6b6d34443a883c739ec204
3 files changed