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

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

Change-Id: I91fe1cf8779ea2b2319db029b8c46b5287c093f9