Merge "Removed reference to developer guide from class description. Added some missing parameter and return descriptions." am: 01b57ef4f6 am: ba6491183d am: d6d24e3030 am: 5dbd1dc3d3

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1922957

Change-Id: I85e73dfd21f627ede4a3e700170be205cae6358c