Ims: Align ConfURIDialer with AOSP

Make ConfURIDialer system ext specific and make it
platform API compatible for the apk to access
TelecomManager#startConference

Request for CALL_PHONE permission that is required to
initiate MO Conference call

Remove unused constants from QtiCallConstants

Change-Id: Ie7baa38c8fe9243435179c49085dd51cfcde22b7
CRs-Fixed: 2645603
3 files changed
tree: 6eb812d6f3b55d2e60424ba9e9dddcb939328994
  1. ims/
  2. internal/
  3. qti-hidl-wrapper/
  4. qti-utils/