Merge "Remove @hide CollectionUtils in QosCallbackTracker" am: 12acf15141 am: 8397f20aff

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1612296

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8596a13bd869c8b2a26eefc1b8e30e7334b72f98