Fix TestRcsApp for use_resource_processor: true

Reference resources with the package name specified in the manifest of
the library that contains the resources.

Bug: 294256649
Test: m javac-check
Change-Id: Ib2f6b7a7faa31bcac55e9aa1a0a6cdfdaa6c39e9
diff --git a/testapps/TestRcsApp/TestApp/src/com/google/android/sample/rcsclient/carrierLock/CarrieLockModeListActivity.java b/testapps/TestRcsApp/TestApp/src/com/google/android/sample/rcsclient/carrierLock/CarrieLockModeListActivity.java
index 24cd4e4..6547aeb 100644
--- a/testapps/TestRcsApp/TestApp/src/com/google/android/sample/rcsclient/carrierLock/CarrieLockModeListActivity.java
+++ b/testapps/TestRcsApp/TestApp/src/com/google/android/sample/rcsclient/carrierLock/CarrieLockModeListActivity.java
@@ -21,9 +21,10 @@
 import android.widget.Toast;
 
 import androidx.annotation.Nullable;
-import androidx.appcompat.R;
 import androidx.appcompat.app.AppCompatActivity;
 
+import com.google.android.sample.rcsclient.R;
+
 public class CarrieLockModeListActivity extends AppCompatActivity {
 
     private final CarrierLockProvider mCarrierLockProvider = new CarrierLockProvider();