Upadate CHANGELOG for v15.0 am: 8220de2b7f am: 07b2863478 am: 8ff38b330c am: a12ea38de4
Upadate CHANGELOG for v15.0 am: 8220de2b7f am: 07b2863478 am: 8ff38b330c am: a12ea38de4

Original change: https://android-review.googlesource.com/c/platform/external/perfetto/+/1697166

Change-Id: Iab5dbb1e139fca3015fe120944ecf1df4dfd27ad

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