[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 am: 0a366712 am: ed78b853 -s ours am: 7486f777 -s ours

am skip reason: Change-Id I5911d01984695550b6c9afe7a8eb535bf5e320a1 with SHA-1 c022b0c7 is in history

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

Change-Id: I945126af614e70322d878d258eba819f5b6cd4e9