Removed unused methods

Removed getAllSubscriptionInfoCount(), getDefaultSmsPhoneId(), and
getDefaultDataPhoneId().

Bug: 239607619
Test: Manual
Change-Id: I1e4110e4bb7dbbc05d51f75d67f451a8ce3bf229

telephony/java/android/telephony/SubscriptionManager.java

@@ -1905,30 +1905,6 @@ public class SubscriptionManager {
         }
     }
 
-    /**
-     * @return the count of all subscriptions in the database, this includes
-     * all subscriptions that have been seen.
-     * @hide
-     */
-    @UnsupportedAppUsage
-    public int getAllSubscriptionInfoCount() {
-        if (VDBG) logd("[getAllSubscriptionInfoCount]+");
-
-        int result = 0;
-
-        try {
-            ISub iSub = TelephonyManager.getSubscriptionService();
-            if (iSub != null) {
-                result = iSub.getAllSubInfoCount(mContext.getOpPackageName(),
-                        mContext.getAttributionTag());
-            }
-        } catch (RemoteException ex) {
-            // ignore it
-        }
-
-        return result;
-    }
-
     /**
      *
      * Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
@@ -2327,12 +2303,6 @@ public class SubscriptionManager {
         }
     }
 
-    /** @hide */
-    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
-    public int getDefaultSmsPhoneId() {
-        return getPhoneId(getDefaultSmsSubscriptionId());
-    }
-
     /**
      * Returns the system's default data subscription id.
      *
@@ -2380,12 +2350,6 @@ public class SubscriptionManager {
         return getActiveSubscriptionInfo(getDefaultDataSubscriptionId());
     }
 
-    /** @hide */
-    @UnsupportedAppUsage
-    public int getDefaultDataPhoneId() {
-        return getPhoneId(getDefaultDataSubscriptionId());
-    }
-
     /** @hide */
     public void clearSubscriptionInfo() {
         try {

telephony/java/com/android/internal/telephony/ISub.aidl

@@ -29,14 +29,6 @@ interface ISub {
      */
     List<SubscriptionInfo> getAllSubInfoList(String callingPackage, String callingFeatureId);
 
-    /**
-     * @param callingPackage The package maing the call.
-     * @param callingFeatureId The feature in the package
-     * @return the count of all subscriptions in the database, this includes
-     * all subscriptions that have been seen.
-     */
-    int getAllSubInfoCount(String callingPackage, String callingFeatureId);
-
     /**
      * Get the active SubscriptionInfo with the subId key
      * @param subId The unique SubscriptionInfo key in database