Merge "Do not set profile owner on guest users on headless system user." into...

Merge "Do not set profile owner on guest users on headless system user." into sc-v2-dev am: 356b103c am: d5ad334e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15999410

Change-Id: Iae64b806f539e23e18cb468f274a0927b1b1d883