Update CHANGELOG for v12.1 am: 71a92399dc
Update CHANGELOG for v12.1 am: 71a92399dc

Original change: https://android-review.googlesource.com/c/platform/external/perfetto/+/1567900

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I2047014cff883c5c2e10e141c73609c7aa94c1a6

google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto