Merge "Add jank instrument support for split screen enter and exit transition"...

Merge "Add jank instrument support for split screen enter and exit transition" into tm-dev am: 64202a26 am: 9b03025e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17518067



Change-Id: If92e6c04afc94a6a302ffd5ff7ac730cc37bc496
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>