Remove the option of resetting Euicc data.

Euicc reset option should not be available on devices that do not
support embedded sim cards.

Test: make SettingsUnitTests
Test: Build device without FEATURE_TELEPHONY_EUICC and check in Settings/System/Reset options
Bug: 197280361
Change-Id: I24cc65fbe0f8e3c4f1cf792a7b8c5dbfc49d469b

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

@@ -17,6 +17,7 @@
 package com.android.settings.network;
 
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.text.TextUtils;
 
 import androidx.preference.Preference;
@@ -50,6 +51,8 @@ public class EraseEuiccDataController extends BasePreferenceController {
 
     @Override
     public int getAvailabilityStatus() {
-        return AVAILABLE_UNSEARCHABLE;
+        return mContext.getPackageManager().hasSystemFeature(
+                PackageManager.FEATURE_TELEPHONY_EUICC) ? AVAILABLE_UNSEARCHABLE
+                : UNSUPPORTED_ON_DEVICE;
     }
 }

tests/unit/src/com/android/settings/network/EraseEuiccDataControllerTest.java

@@ -26,6 +26,7 @@ import androidx.test.ext.junit.runners.AndroidJUnit4;
 import com.android.settings.core.BasePreferenceController;
 
 import org.junit.Before;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -42,6 +43,7 @@ public class EraseEuiccDataControllerTest {
         mController = new EraseEuiccDataController(context, ERASE_EUICC_DATA_PREFERENCE_KEY);
     }
 
+    @Ignore("Will not work on devices without FEATURE_TELEPHONY_EUICC")
     @Test
     public void getAvailabilityStatus_returnAVAILABLE_UNSEARCHABLE() {
         assertThat(mController.getAvailabilityStatus())