Merge "Add race() utility function" into tm-qpr-dev am: ca319b38 am: 40575dec

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19859998



Change-Id: I4588555677fc9e92e6b7ef7b32181c8cc4d82156
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>