Fix self-assign error in SimPhonebookContract

Bug: 180472752
Test: atest
FrameworksTelephonyTests: com.android.internal.telephony.uicc.IccUtilsTest
TeleServiceTests: SimPhonebookProviderTest
Change-Id: I1a8c0dabee3ca90fcdeca263a4c943e01fbae75e

core/java/android/provider/SimPhonebookContract.java

@@ -262,7 +262,7 @@ public final class SimPhonebookContract {
         @WorkerThread
         public static int getEncodedNameLength(
                 @NonNull ContentResolver resolver, @NonNull String name) {
-            name = Objects.requireNonNull(name);
+            Objects.requireNonNull(name);
             Bundle result = resolver.call(AUTHORITY, GET_ENCODED_NAME_LENGTH_METHOD_NAME, name,
                     null);
             if (result == null || !result.containsKey(EXTRA_ENCODED_NAME_LENGTH)) {