Merge "simpleperf: add report generate msg in pprof_proto_generator.py." am: 0b3058d833 am: 9d37088c9c am: 6ad9d550f8

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/2012555

Change-Id: I221d6614e55f6cee8e5a2df99283bea56d106562