Add OWNED_BY field.

Bug: 68208199
Test: later

Design doc: https://docs.google.com/document/d/1UEYjhRGSEwwccPLs_FzFD-IeOsVq63gxmAHNtDfnzAY/edit#heading=h.jza6dz6kh6bz

Change-Id: Ic78df7902523bad4b3d40bacb73b17d767226aac
1 file changed