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

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

Change-Id: If73e10e9321af420ff32b992a6df4f8dd9e5a911