Merge "Stop using Slog in QosCallbackTracker." am: 3b78cadc29 am: 55db18c16b

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1585567

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I25baa31f1d7d148a78e29ae46a152b6b5e245d0b