IMS: Remove ORIENTATION mode extra key in IMS call after SRVCC

- ORIENTATION mode extra key added in IMS call extras based on
  DISPLAY_MODE event from modem and this extra is used
  to decide the UI can be rotated during call or not.
- Remove ORIENTATION_MODE_EXTRA_KEY from call extras
  after SRVCC.

Change-Id: I65899740539c5142341af9161c2e3c1b5bbe2233
CRs-Fixed: 2697047
Issue: FP3-A13#56
(cherry picked from commit e20ba503de03667af5fddfcd2b9a036be1dd8cf0)
1 file changed