Revert "Add overlayable.xml to res"

This reverts commit 520d9133a30c0bc602bbaac5e9baafb512d9a696.

Reason for revert: b/130438597#6 outlines why we can't yet check this in.

Change-Id: Id7a00e926b16ca2ffc3396cbfae19c753b4b7ee9
1 file changed