Merge "Merge "Put activity-start into its own transition when recents collecting" into udc-dev am: 70941199 am: 962b2744 am: 6b29a0bd" into udc-qpr-dev-plus-aosp am: ac143162

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22873334



Change-Id: I1a1997a5b5dc0bb5b653cea7c53a9dfc931e2059
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>