Use external/robolectric-shadows/run_robotests.mk

This allows Settings to test against the latest framework changes.

Also replaced TestConfig with traditional robolectric.properties.

Bug: 73173204
Bug: 73892008
Test: make -j56 RunSettingsRoboTests
Change-Id: I3135b4fa5f095ba79b282a76f45dd9baa2584bc7

tests/robotests/src/com/android/settings/dashboard/SummaryLoaderTest.java

@@ -23,7 +23,6 @@ import static org.mockito.Mockito.when;
 import android.app.Activity;
 import android.content.Intent;
 
-import com.android.settings.TestConfig;
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.drawer.CategoryKey;
@@ -35,10 +34,8 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.Robolectric;
-import org.robolectric.annotation.Config;
 
 @RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
 public class SummaryLoaderTest {
 
     private static final String SUMMARY_1 = "summary1";
@@ -85,7 +82,6 @@ public class SummaryLoaderTest {
 
     @Test
     public void testUpdateSummaryToCache_hasCache_shouldUpdate() {
-
         final String testSummary = "test_summary";
         final DashboardCategory category = new DashboardCategory();
         final Tile tile = new Tile();