Cleanup related to files removed in Phone refactor.

Mostly just updating comments to remove names of old classes.

Bug: 25793157
Change-Id: I900b0ec0d137b2eb869a7ab40c264875366def26

telephony/java/android/telephony/PhoneNumberUtils.java

@@ -2354,7 +2354,7 @@ public class PhoneNumberUtils
                         tempDialStr = postDialStr.substring(dialableIndex);
                     } else {
                         // Non-dialable character such as P/W should not be at the end of
-                        // the dial string after P/W processing in CdmaConnection.java
+                        // the dial string after P/W processing in GsmCdmaConnection.java
                         // Set the postDialStr to "" to break out of the loop
                         if (dialableIndex < 0) {
                             postDialStr = "";

telephony/java/android/telephony/ServiceState.java

@@ -906,7 +906,7 @@ public class ServiceState implements Parcelable {
 
     /**
      * In CDMA, mOperatorAlphaLong can be set from the ERI text.
-     * This is done from the CDMAPhone and not from the CdmaServiceStateTracker.
+     * This is done from the GsmCdmaPhone and not from the ServiceStateTracker.
      *
      * @hide
      */