Port Utility Functions from DefaultPhoneNotifier

-Move static utility functions from frameworks/opt/telephony/
 ..DefaultPhoneNotifier to a new utility class in frameworks/base

-Update TelephonyRegistry to point to the new functions.

Bug: 33414487
Test: compilation
Change-Id: I36a113cb5122569d451ec3a2dfa71d72d590fa52
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index ea33906..37d8592 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -57,7 +57,7 @@
 import com.android.internal.telephony.IOnSubscriptionsChangedListener;
 import com.android.internal.telephony.ITelephonyRegistry;
 import com.android.internal.telephony.IPhoneStateListener;
-import com.android.internal.telephony.DefaultPhoneNotifier;
+import com.android.internal.telephony.PhoneConstantConversions;
 import com.android.internal.telephony.PhoneConstants;
 import com.android.internal.telephony.ServiceStateTracker;
 import com.android.internal.telephony.TelephonyIntents;
@@ -1497,7 +1497,7 @@
 
         Intent intent = new Intent(TelephonyManager.ACTION_PHONE_STATE_CHANGED);
         intent.putExtra(PhoneConstants.STATE_KEY,
-                DefaultPhoneNotifier.convertCallState(state).toString());
+                PhoneConstantConversions.convertCallState(state).toString());
         if (!TextUtils.isEmpty(incomingNumber)) {
             intent.putExtra(TelephonyManager.EXTRA_INCOMING_NUMBER, incomingNumber);
         }
@@ -1531,7 +1531,7 @@
         // required info.
         Intent intent = new Intent(TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED);
         intent.putExtra(PhoneConstants.STATE_KEY,
-                DefaultPhoneNotifier.convertDataState(state).toString());
+                PhoneConstantConversions.convertDataState(state).toString());
         if (!isDataConnectivityPossible) {
             intent.putExtra(PhoneConstants.NETWORK_UNAVAILABLE_KEY, true);
         }