[automerger skipped] Merge "Document the limitation to a hundred callbacks."...

[automerger skipped] Merge "Document the limitation to a hundred callbacks." into rvc-dev am: 8aafdcc3 -s ours am: e6527eef -s ours am: 6a8dc3be -s ours am: 1bd5ff7e -s ours

am skip reason: Change-Id I5911d01984695550b6c9afe7a8eb535bf5e320a1 with SHA-1 081ff7a8 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11835429

Change-Id: Ic2a2972a84fe25f24418b92ba5a06c783504468f