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

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



Change-Id: I4d7e2db029f12303d4065891a8dac368a5158d87
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>