Remove common-config and switch to AndroidJUnitTest.

bug:21762834
Change-Id: I17e1b44e4429a3fbeb9f110a74038e4ec306af38
diff --git a/hostsidetests/ui/AndroidTest.xml b/hostsidetests/ui/AndroidTest.xml
index 492d9f1..1872189 100644
--- a/hostsidetests/ui/AndroidTest.xml
+++ b/hostsidetests/ui/AndroidTest.xml
@@ -13,8 +13,7 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<configuration description="Config for CTS UI Host Test Cases">
-    <include name="common-config" />
+<configuration description="Config for CTS UI host test cases">
     <test class="android.ui.cts.InstallTimeTest" />
     <test class="android.ui.cts.TaskSwitchingTest" />
 </configuration>