Update CHANGELOG for v12.1 am: 71a92399dc am: 56d95d26b9 am: ae92f63505
Update CHANGELOG for v12.1 am: 71a92399dc am: 56d95d26b9 am: ae92f63505

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iba4cd9bdbaf65d1e5d178da5160aadafb44a1e36

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