Add new warning dialogue when user is Resetting mobile network settings.

If the user is reseting mobile network settings and have all these
conditions:
- No Wi-fi
- Has check to delete all eSIMs
- Has a least one RAC sim carrier
Then show the warning dialogue.

Test: make, manually test, atest SubSettingLauncherTest, atest ResetNetworkTest,  atest SubscriptionUtilTest
Bug: 328649510
Merged-In: I47d9b868b649b259d5e4008ec742317d2cb7cf51
Change-Id: I47d9b868b649b259d5e4008ec742317d2cb7cf51
(cherry picked from commit 147cc19b53)

src/com/android/settings/network/EraseEuiccDataController.java

@@ -50,8 +50,7 @@ public class EraseEuiccDataController extends BasePreferenceController {
         if (!TextUtils.equals(preference.getKey(), getPreferenceKey())) {
             return false;
         }
-        if (SubscriptionUtil.hasSubscriptionWithRacCarrier(mContext)
-                && !SubscriptionUtil.isConnectedToWifi(mContext)) {
+        if (SubscriptionUtil.shouldShowRacDialog(mContext)) {
             EuiccRacConnectivityDialogFragment.show(mHostFragment);
         } else {
             EraseEuiccDataDialogFragment.show(mHostFragment);