Merge "simpleperf: use string to store vaddr in report.html." am: 88b42209d0 am: 4794e16cf8

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/1700249

Change-Id: I1574e4c0cfa5d5d439ac40b9548464c0b8b662e8