[automerger skipped] Use monotonic clock instead of wall time clock for...

[automerger skipped] Use monotonic clock instead of wall time clock for metrics. am: 6b9cdfa9 am: a09ea5c3 -s ours

am skip reason: Change-Id I1540cfbf37915e3045ecedaa2595c1f9429bcd62 with SHA-1 ac91c3f7 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/soong/+/12496889

Change-Id: I6b74065bd777a23a776ce0e3f47d30bf946e5ddc