Fix CNAP-related NullPointerException
Fix CNAP-related NullPointerException

This will fix a CNAP-related bug where missing a call from a party with an
"Unknown" number presentation and then trying to log that call will cause
a NullPointerException to be thrown

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base