Merge "When adding a new call, use same phone account for call." into lmp-mr1-dev

        Log.v(this, "startOutgoingCall found accounts = " + accounts);

        if (mForegroundCall != null && mForegroundCall.getTargetPhoneAccount() != null) {

            // If there is an ongoing call, use the same phone account to place this new call.

            phoneAccountHandle = mForegroundCall.getTargetPhoneAccount();

        }

        // Only dial with the requested phoneAccount if it is still valid. Otherwise treat this call

        // as if a phoneAccount was not specified (does the default behavior instead).

        // Note: We will not attempt to dial with a requested phoneAccount if it is disabled.