Revert "Revert "Add SMS Middleware layer.""

This reverts commit f2f1e76d54ddaeadc1676614816befaa799c4d98.

Change-Id: I68134d1523238b0c52e5c5d8ddb1080e9c1a7239
Revert "Revert "Add SMS Middleware layer.""

This reverts commit f2f1e76d54ddaeadc1676614816befaa799c4d98.

Change-Id: I5692e7d17835fc4a0ec4ef49d37ec53b7bfaeee1
Merge "Revert "Revert "Add SMS Middleware layer.""" into kk44