Merge "simpleperf: add type hints in simpleperf_report_lib.py." am: 0bc00c609a am: 51307916c7 am: 41d2d1781a

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/1707303

Change-Id: I71eab92e5c24a37af2f3e25144a511aae4930091