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

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

Change-Id: I1d208f05026c4a50a0e7e8b12ef9e3edd381f07c