Merge "simpleperf: Fix default value for --etm-flush-interval" into main am: 679512103e

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/3080803

Change-Id: If3049324171de33b7b6cefcfd3fabb791af38503
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>