Remove useless TestRunner

InstrumentationTestRunner can enumerate the test cases to run without a
special TestRunner.

Change-Id: I5a49413440ef191f28a21034a318d9a9e3f8174b
diff --git a/keystore/tests/src/android/security/KeyStoreTest.java b/keystore/tests/src/android/security/KeyStoreTest.java
index 32cd6e2..9f35b8d 100755
--- a/keystore/tests/src/android/security/KeyStoreTest.java
+++ b/keystore/tests/src/android/security/KeyStoreTest.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package android.security.tests;
+package android.security;
 
 import android.app.Activity;
 import android.security.KeyStore;
@@ -29,7 +29,11 @@
  *
  * Running the test suite:
  *
- *  adb shell am instrument -w android.security.tests/.KeyStoreTestRunner
+ *  runtest keystore-unit
+ *
+ * Or this individual test case:
+ *
+ *  runtest --path frameworks/base/keystore/tests/src/android/security/KeyStoreTest.java
  */
 @MediumTest
 public class KeyStoreTest extends ActivityUnitTestCase<Activity> {