Change ImsService namespaces

Moves some of the ImsService namespaces to
support the move to @SystemApi.

Test: Telephony Unit tests
Bug: 63987047
Merged-In: I4d1a0afc926dfd7d70b3db16dd81f986585a0992
Change-Id: I4d1a0afc926dfd7d70b3db16dd81f986585a0992
12 files changed
tree: 47bb9b8918ea25ab7e61b73219f133f49d73673e
  1. src/
  2. tests/
  3. Android.mk
  4. CleanSpec.mk
  5. OWNERS
  6. README.txt