Merge "Use ArraySet#add() instead of ArraySet#append()" am: 627c6a5258 am: ee5644f6b5 am: d4185bab7a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1615181

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic1cbcbb6f9dc83e664593b8e095a0f9b80697b83
tree: 67aeec52c535646e7429bae85676a9948f2ea148
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS