Merge "Accept XML configuration doc only" into sc-dev am: a14a2ece8e am: 70eef11aac am: ad57fcc15a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ImsServiceEntitlement/+/14702329

Change-Id: Idd3f0a1f96142a81dec7db811eaac8136cb9884b