Merge "docs: Explanation on "profile owner on the primary user"" into tm-dev...

Merge "docs: Explanation on "profile owner on the primary user"" into tm-dev am: de6b490d am: 2d0e68d3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20403491



Change-Id: If220f4e475f1bfb23848c72ce1101a5be03a1cd2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>