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: d8b5b700 am: 29358b44 am: c3b4a541

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



Change-Id: Ie37f751f7cf7d28afd82cf36fd65153f417c3558
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>