Fix cts-content testdef.

Change-Id: I02c98f57c0fbf7cd7fbcdf3e7ba642e0d66acf93
diff --git a/testrunner/test_defs.xml b/testrunner/test_defs.xml
index ad2017c..68a62e4 100644
--- a/testrunner/test_defs.xml
+++ b/testrunner/test_defs.xml
@@ -191,7 +191,7 @@
 <test name="cts-content"
     build_path="cts/tests/tests/content"
     package="com.android.cts.content"
-    runner="android.test.InstrumentationCtsTestRunner"
+    runner="android.test.InstrumentationTestRunner"
     coverage_target="framework"
     cts="true" />