Revert "Migrate FocusEventDebugView to an input subpackage."

This reverts commit ff6b7c6bf26d3c6f97e1518763be5be254f7d537.

Reason for revert: go/revert-it for b/296656711

Change-Id: I186406363b11d1a4a8ea17d09acd220b4d770095
10 files changed