Add Telecom notification channels.

Test: Manual
Bug: 36866129
Merged-In: I49194128b4f526205055137d4ebaa8b282baa90f
Change-Id: I49194128b4f526205055137d4ebaa8b282baa90f
(cherry picked from commit dce902a0cd4d7060e1825cc3cde8d7f76eb67086)
6 files changed