Merge "Distinguish process-switch for launch trace" into tm-dev am: 8890d473...

Merge "Distinguish process-switch for launch trace" into tm-dev am: 8890d473 am: 65eab98b am: acfa1e36 am: 0492fc4d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18451948



Change-Id: Ic8d85eecb057c8a35720d77c2432a9beb14ebd01
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>