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/development/DebugGpuOverdrawPreferenceControllerTest.java

@@ -17,7 +17,6 @@
 package com.android.settings.development;
 
 import static com.google.common.truth.Truth.assertThat;
-
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -28,23 +27,16 @@ import android.support.v7.preference.PreferenceScreen;
 import android.view.ThreadedRenderer;
 
 import com.android.settings.R;
-import com.android.settings.TestConfig;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
-import com.android.settings.testutils.shadow.SettingsShadowSystemProperties;
 
-import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.Config;
 
 @RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH,
-        sdk = TestConfig.SDK_VERSION,
-        shadows = {SettingsShadowSystemProperties.class})
 public class DebugGpuOverdrawPreferenceControllerTest {
 
     @Mock
@@ -74,11 +66,6 @@ public class DebugGpuOverdrawPreferenceControllerTest {
         mController.displayPreference(mScreen);
     }
 
-    @After
-    public void teardown() {
-        SettingsShadowSystemProperties.clear();
-    }
-
     @Test
     public void onPreferenceChange_noValueSet_shouldSetEmptyString() {
         mController.onPreferenceChange(mPreference, null /* new value */);