Update PhoneAccount if CALL_COMPOSER is supported in MMTelCapabilities

Test: Treehugger
Bug: 173437870
Change-Id: I60ba1fcaeba3ef5e3ddc1e193e2266969ee1e4b8
Mergde-In: I60ba1fcaeba3ef5e3ddc1e193e2266969ee1e4b8
(cherry picked from commit 5e40ad7907d3d7352485b908be8c29c13f9f0b87)
1 file changed