IMS: Support IMS Data Channel

- Add API to check if IMS service data channel capability
is enabled/disabled from modem.
- Add carrier config to control DC for carriers.
- Add extra to provide CallId and isDcCall to upper layer.
- Add API to store/retrieve user setting for data channel.

Change-Id: I07f5f13d4d917538a718fcc9287bc112e63e5ec8
CRs-Fixed: 3137374
8 files changed
tree: 10e2d2ee07824226f61973f8b4c4f577f9b47d25
  1. extphone/
  2. ims/
  3. internal/
  4. qti-hidl-wrapper/
  5. qti-utils/