Remove fake data

Missed one location that adds fake data
to the payload the first time these were
removed. This patch removes any remaining
fake data being attached to a survey payload.

Test: Robotests still pass
Bug: 34716378
Change-Id: Iccb60ce24ae5c494dcd287107f8d293f4a56b2d5
Merged-In: I055c2b2e027f721e14ea5b6b7efccd5267018b8c

src/com/android/settings/InstrumentedFragment.java

@@ -65,7 +65,7 @@ public abstract class InstrumentedFragment extends PreferenceFragment {
                 if (provider.getSurveyExpirationDate(activity, id) <= -1) {
                     // register the receiver to show the survey on completion.
                     mReceiver = provider.createAndRegisterReceiver(activity);
-                    provider.downloadSurvey(activity, id, "fakeData");
+                    provider.downloadSurvey(activity, id, null /* data */);
                 } else {
                     provider.showSurveyIfAvailable(activity, id);
                 }