Revert "Remove abandoned implementation." am: 8a3204f485

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

Change-Id: Ic1f03ccb7320d2a21e3d9fea55d56528a72bd8d7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>