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/ZonePickerTest.java

@@ -37,15 +37,12 @@ import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 
 @RunWith(SettingsRobolectricTestRunner.class)
-@Config(
-        manifest = TestConfig.MANIFEST_PATH,
-        sdk = TestConfig.SDK_VERSION,
-        shadows = {
-                ShadowLibcoreTimeZoneNames.class,
-                ShadowLibcoreTimeZoneNames.ShadowZoneStringsCache.class,
-                ShadowTimeZoneNames.class,
-                ShadowZoneGetterData.class,
-        }
+@Config(shadows = {
+    ShadowLibcoreTimeZoneNames.class,
+    ShadowLibcoreTimeZoneNames.ShadowZoneStringsCache.class,
+    ShadowTimeZoneNames.class,
+    ShadowZoneGetterData.class,
+}
 )
 public class ZonePickerTest {