Revert "Exercise default phone application request in TestDialer"

This reverts commit 720c181dfe6fa5040d673181816f0c82e9424e2e.

Change-Id: I10b2cfb34d6f22a0b1d911e898490e325044e0be
diff --git a/tests/src/com/android/telecomm/testapps/TestDialerActivity.java b/tests/src/com/android/telecomm/testapps/TestDialerActivity.java
index 5f3c999..405bca5 100644
--- a/tests/src/com/android/telecomm/testapps/TestDialerActivity.java
+++ b/tests/src/com/android/telecomm/testapps/TestDialerActivity.java
@@ -3,7 +3,6 @@
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
-import android.telecomm.TelecommConstants;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.EditText;
@@ -48,9 +47,7 @@
     }
 
     private void setDefault() {
-        final Intent intent = new Intent(TelecommConstants.ACTION_CHANGE_DEFAULT_PHONE);
-        intent.putExtra(TelecommConstants.EXTRA_PACKAGE_NAME, this.getBasePackageName());
-        startActivity(intent);
+        // TODO: Send a request to become the default dialer application
     }
 
     private void placeCall() {