Merge "Update the docs for the provisioning extra AllowOffline." into tm-dev am: 2dc5f6e9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18909940



Change-Id: Ib13c6851c1f1842a72e6182567ecb8d2ce16a17b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>