Remove common-config and switch to AndroidJUnitTest.

bug:21762834
Change-Id: I17e1b44e4429a3fbeb9f110a74038e4ec306af38
diff --git a/hostsidetests/os/AndroidTest.xml b/hostsidetests/os/AndroidTest.xml
index 2c991cb..ed149a9 100644
--- a/hostsidetests/os/AndroidTest.xml
+++ b/hostsidetests/os/AndroidTest.xml
@@ -13,9 +13,11 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<configuration description="Config for the CTS os host tests">
-    <include name="common-config" />
-    <option name="apk-installer:test-file-name" value="CtsDeviceOsTestApp.apk" />
+<configuration description="Config for the CTS OS host test cases">
+    <target_preparer class="com.android.compatibility.common.tradefed.targetprep.ApkInstaller">
+        <option name="cleanup-apks" value="true" />
+        <option name="test-file-name" value="CtsDeviceOsTestApp.apk" />
+    </target_preparer>
     <test class="com.android.tradefed.testtype.HostTest">
         <option name="class" value="android.os.cts.OsHostTests" />
     </test>