Merge "Dump shell side transition trace with bug reports" into udc-dev am:...

Merge "Dump shell side transition trace with bug reports" into udc-dev am: 63683437 am: f53c3e8b am: 8e61b265

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/22688407



Change-Id: I8e631a03efa785e72e39b1fcc0edb01dc8f47e4e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>