Change onResume -> onStart in the print settings to update even paused activities.

Change-Id: Ie28de2cd3ba02c3f19d11c61b3dbbce5d33ddb5a

src/com/android/settings/print/PrintJobSettingsFragment.java

@@ -99,16 +99,16 @@ public class PrintJobSettingsFragment extends SettingsPreferenceFragment {
     }
 
     @Override
-    public void onResume() {
+    public void onStart() {
-        super.onResume();
+        super.onStart();
         mPrintManager.addPrintJobStateChangeListener(
                 mPrintJobStateChangeListener);
         updateUi();
     }
 
     @Override
-    public void onPause() {
+    public void onStop() {
-        super.onPause();
+        super.onStop();
         mPrintManager.removePrintJobStateChangeListener(
                 mPrintJobStateChangeListener);
     }

src/com/android/settings/print/PrintServiceSettingsFragment.java

@@ -147,8 +147,8 @@ public class PrintServiceSettingsFragment extends SettingsPreferenceFragment
     }
 
     @Override
-    public void onResume() {
+    public void onStart() {
-        super.onResume();
+        super.onStart();
         mSettingsContentObserver.register(getContentResolver());
         updateEmptyView();
         updateUiForServiceState();
@@ -156,13 +156,18 @@ public class PrintServiceSettingsFragment extends SettingsPreferenceFragment
 
     @Override
     public void onPause() {
-        mSettingsContentObserver.unregister(getContentResolver());
         if (mSearchView != null) {
             mSearchView.setOnQueryTextListener(null);
         }
         super.onPause();
     }
 
+    @Override
+    public void onStop() {
+        mSettingsContentObserver.unregister(getContentResolver());
+        super.onStop();
+    }
+
     @Override
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);

src/com/android/settings/print/PrintSettingsFragment.java

@@ -150,8 +150,8 @@ public class PrintSettingsFragment extends SettingsPreferenceFragment
     }
 
     @Override
-    public void onResume() {
+    public void onStart() {
-        super.onResume();
+        super.onStart();
         mSettingsPackageMonitor.register(getActivity(), getActivity().getMainLooper(), false);
         mSettingsContentObserver.register(getContentResolver());
         updateServicesPreferences();
@@ -160,10 +160,10 @@ public class PrintSettingsFragment extends SettingsPreferenceFragment
     }
 
     @Override
-    public void onPause() {
+    public void onStop() {
         mSettingsPackageMonitor.unregister();
         mSettingsContentObserver.unregister(getContentResolver());
-        super.onPause();
+        super.onStop();
     }
 
     @Override