Removing old signature test, migrating to new one.

bug: 11436500
Change-Id: I84165979a7ddc358f28512ad298444ce4a190ea9
diff --git a/tools/utils/buildCts.py b/tools/utils/buildCts.py
index 63c8abe..b269be8 100755
--- a/tools/utils/buildCts.py
+++ b/tools/utils/buildCts.py
@@ -173,7 +173,7 @@
   package.AddAttribute('appNameSpace', 'android.tests.sigtest')
   package.AddAttribute('signatureCheck', 'true')
   package.AddAttribute('runner', '.InstrumentationRunner')
-  package.AddTest('android.tests.sigtest.SignatureTest.signatureTest')
+  package.AddTest('android.tests.sigtest.SignatureTest.testSignature')
   description = open(os.path.join(test_repository, 'SignatureTest.xml'), 'w')
   package.WriteDescription(description)
   description.close()