Update javadoc for newly unused API methods.

These methods will continue to be functional, and will serve older SDKs. This migration isn't connected to an API related flag, but rather the UI functionality.

Test: builds
Flag: EXEMPT DOCS_ONLY
Bug: 433491133
Bug: 408241976
Relnote: N/a
Change-Id: Id240720d64879cdc704db187788cb340fccf7d1f
3 files changed