Merge "simpleperf: Modify profcollect API to allow float seconds duration" am: edaa73fdfc am: 8394ba8643 am: 06e67b6648

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/1340035

Change-Id: I43be37b52c42769ad4e2889e983a1c4bd869bcf8