Merge "Stop using Slog in QosCallbackTracker." am: 564aecdefb am: 5ff0e00e37 am: 2bdb30ea8f

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ie04d9930a56f305e1292c682d9c28a2e8f95a811