ANDROID: libtracecmd: Add pthread_set/get_affinity_np() am: 61488b8939

Original change: https://android-review.googlesource.com/c/platform/external/trace-cmd/+/2084180

Change-Id: Id1ecd9a1a8af74088941afeccf9b3bebc28a20f1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>