build libandroid-utils

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
clean up preprocessor guards for libutils

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
libutils: implement Thread::getTid() anyway

Thread::getTid() is required in frameworks/av and passed to
ISchedulingPolicyService for priority tuning. On systems without
the android bionic specific pthread_gettid_np call, we have to wait
explicitly until _threadLoop set mTid.

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
bump version for v0.0.5 release

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>