Merge "Remove cutils threads.h header completely." into main am: 4ed0e12d...

Merge "Remove cutils threads.h header completely." into main am: 4ed0e12d am: b1f6f92d am: e408e7aa

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2702415



Change-Id: I9ee93e4f04bd3126a0e23a1c691f63ff8e77da22
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>