Merge "Add function to get APN types as ints from bitmask" am: f9bf0a696b

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1729424

Change-Id: Ia2ac0550be0935c6f8ceee25d205fdada7d5a3c6

telephony/java/android/telephony/data/ApnSetting.java

@@ -1550,6 +1550,20 @@ public class ApnSetting implements Parcelable {
         return TextUtils.join(",", types);
     }
 
+    /**
+     * Converts the APN type bitmask to an array of all APN types
+     * @param apnTypeBitmask bitmask of APN types.
+     * @return int array of APN types
+     * @hide
+     */
+    @NonNull
+    public static int[] getApnTypesFromBitmask(int apnTypeBitmask) {
+        return APN_TYPE_INT_MAP.keySet().stream()
+                .filter(type -> ((apnTypeBitmask & type) == type))
+                .mapToInt(Integer::intValue)
+                .toArray();
+    }
+
     /**
      * Converts the integer representation of APN type to its string representation.
      *