Merge "Remove unused local variable classloader in NotificationListenerService." into main am: eecc338651

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3375993

Change-Id: I77a801583249af772f7d0dfa10f77e999620a156
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>