Add public ApnSetting in android.telephony.

Bug: 68208293
Test: manual

Add public ApnSetting class in android.telephony. Move APN TYPE constants out from
PhoneConstants into public ApnTypeConstants.

Design doc: https://docs.google.com/document/d/1UEYjhRGSEwwccPLs_FzFD-IeOsVq63gxmAHNtDfnzAY/edit?pli=1#

Change-Id: I74d23644a872df0abc19730285ae196b6e3e39dd
diff --git a/Android.bp b/Android.bp
index d4b15ca..72910eb 100644
--- a/Android.bp
+++ b/Android.bp
@@ -595,6 +595,7 @@
         "android.hardware.vibrator-V1.0-java-constants",
         "android.hardware.vibrator-V1.1-java-constants",
         "android.hardware.wifi-V1.0-java-constants",
+        "android.hardware.radio-V1.0-java",
     ],
 
     // Loaded with System.loadLibrary by android.view.textclassifier