Add support for getSimCarrierIdName() in ShadowTelephonyManager.

We need to test to simCarrierIdName, so add this support to the ShadowTelephonyManager.

as title

PiperOrigin-RevId: 620965842

robolectric/src/test/java/org/robolectric/shadows/ShadowTelephonyManagerTest.java

@@ -866,6 +866,15 @@ public void shouldGetSimCarrierId() {
     assertThat(telephonyManager.getSimCarrierId()).isEqualTo(expectedCarrierId);
   }
 
+  @Test
+  @Config(minSdk = P)
+  public void shouldGetSimCarrierIdName() {
+    String expectedCarrierIdName = "Fi";
+    shadowOf(telephonyManager).setSimCarrierIdName(expectedCarrierIdName);
+
+    assertThat(telephonyManager.getSimCarrierIdName().toString()).isEqualTo(expectedCarrierIdName);
+  }
+
   @Test
   @Config(minSdk = Q)
   public void shouldGetCarrierIdFromSimMccMnc() {

shadows/framework/src/main/java/org/robolectric/shadows/ShadowTelephonyManager.java

@@ -153,6 +153,7 @@ public class ShadowTelephonyManager {
   private static final Map<Integer, String> simCountryIsoMap =
       Collections.synchronizedMap(new LinkedHashMap<>());
   private int simCarrierId;
+  private CharSequence simCarrierIdName;
   private int carrierIdFromSimMccMnc;
   private String subscriberId;
   private static volatile /*UiccSlotInfo[]*/ Object uiccSlotInfos;
@@ -1225,6 +1226,16 @@ public void setSimCarrierId(int simCarrierId) {
     this.simCarrierId = simCarrierId;
   }
 
+  @Implementation(minSdk = P)
+  protected CharSequence getSimCarrierIdName() {
+    return simCarrierIdName;
+  }
+
+  /** Sets the value to be returned by {@link #getSimCarrierIdName()}. */
+  public void setSimCarrierIdName(CharSequence simCarrierIdName) {
+    this.simCarrierIdName = simCarrierIdName;
+  }
+
   @Implementation
   protected String getSubscriberId() {
     checkReadPhoneStatePermission();