Merge "libutils: remove the unused StopWatch lap functionality." am: 0839837fa4 am: 5c28af9897 am: 038077c1c5 am: 70673be9dd

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1703652

Change-Id: I6e5461a9f1f3d3f7aa4ba8af8e65195896cfe671