Revert "Remove abandoned implementation." am: 8a3204f485 am: 47b44bbd3e

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Messaging/+/3255819

Change-Id: I92d6c8d6895b4b51d2745558003cbf3b11b03f14
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>