Use non-deprecated method.

getChannel() has been deprecated in favor of getChannelId() and will be
removed soon.

Bug: 135214188
Test: atest com.android.internal.telephony.CarrierServiceStateTrackerTest
Test: atest com.android.internal.telephony.ServiceStateTrackerTest
Test: atest com.android.managedprovisioning.common.NotificationHelperTest
Change-Id: I6119802270baf48bc9ce37a4e101c8af18119d4c
1 file changed