DO NOT MERGE - Backported some Autofill Javadoc improvements from master.

Test: in Tree Hugger we trust!

Bug: 70215975

Change-Id: If679e735f1fe1916457c16d33d09cb47573ee7dd
Merged-In: I8ab3d76983259830fd90867bd2d7f1e3360b3c4e
2 files changed