Add CAPABILITY_TYPE_CALL_COMPOSER in MmTelFeature

Test: cts
Bug: 173437870
Change-Id: Ife05ba75a3f23d0c18b3aa068881b6646dee6db5
Merged-In: Ife05ba75a3f23d0c18b3aa068881b6646dee6db5
(cherry picked from commit 89667c6bb208c58363ecf63af73aa68de2290f33)
2 files changed