Remove common-config and switch to AndroidJUnitTest.

bug:21762834
Change-Id: I17e1b44e4429a3fbeb9f110a74038e4ec306af38
diff --git a/tests/netlegacy22.api/AndroidTest.xml b/tests/netlegacy22.api/AndroidTest.xml
index 9504848..b40f21a 100644
--- a/tests/netlegacy22.api/AndroidTest.xml
+++ b/tests/netlegacy22.api/AndroidTest.xml
@@ -12,11 +12,12 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<configuration description="Test module config for legacy android.net APIs as of API 22">
-    <include name="common-config" />
-    <option name="apk-installer:test-file-name" value="CtsNetTestCasesLegacyApi22.apk" />
-    <test class="com.android.tradefed.testtype.InstrumentationTest" >
+<configuration description="Config for CTS Legacy android.net APIs test cases">
+    <target_preparer class="com.android.compatibility.common.tradefed.targetprep.ApkInstaller">
+        <option name="cleanup-apks" value="true" />
+        <option name="test-file-name" value="CtsNetTestCasesLegacyApi22.apk" />
+    </target_preparer>
+    <test class="com.android.tradefed.testtype.AndroidJUnitTest" >
         <option name="package" value="android.netlegacy22.api.cts" />
-        <option name="runner" value="android.support.test.runner.AndroidJUnitRunner" />
     </test>
-</configuration>
+</configuration>
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