Merge changes from topic "update-transition-trace-dumping-structure" into udc-dev am: b26be926 am: e12472bd am: 017aaae4 am: c90cee80

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22750303



Change-Id: I58de5f0d1e4e1c63d4fa5a619a919e4d49993dbb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>