Merge "Add NamedListenerSet that can be used to improve Trace performance by...

Merge "Add NamedListenerSet that can be used to improve Trace performance by caching listener names" into udc-qpr-dev am: cd5177b6 am: f0128320

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24343836



Change-Id: I34ecf785edd24cd3e620fc2c474b5e2d7fb4991e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>