Change superclass to InstrumentedFragment.

- for fragments that do not implement the preference screen, change them
to inherit from InstrumentedFragment instead.

Change-Id: I791c2634024bd2c248efea955be5c680180d735c
Fixes: 68277111
Test: make RunSettingsRoboTests
diff --git a/src/com/android/settings/MasterClearConfirm.java b/src/com/android/settings/MasterClearConfirm.java
index 9b324c3..59736fd 100644
--- a/src/com/android/settings/MasterClearConfirm.java
+++ b/src/com/android/settings/MasterClearConfirm.java
@@ -33,7 +33,7 @@
 import android.widget.TextView;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
-import com.android.settings.core.InstrumentedPreferenceFragment;
+import com.android.settings.core.InstrumentedFragment;
 import com.android.settingslib.RestrictedLockUtils;
 
 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
@@ -48,7 +48,7 @@
  *
  * This is the confirmation screen.
  */
-public class MasterClearConfirm extends InstrumentedPreferenceFragment {
+public class MasterClearConfirm extends InstrumentedFragment {
 
     private View mContentView;
     private boolean mEraseSdCard;