Add CarrierConfig option for removing Hold during Ims Calls

This change introduces a carrier config option that removes the
CAPABILITY_HOLD and CAPABILITY_SUPPORT_HOLD capabilities from Ims
Connections for incoming and outgoing voice calls if it is set.

Bug: 30195356
Change-Id: I8e68564758cfbc1dad54a23c1d2193d387e630b4
2 files changed