Misc search summary text updates.

- Remove static text from default app summaries.They will be filled
dynamically at runtime, so we don't need the static ones here.
- Remove summaryOn/summaryOff strings from a few fragments. Search
framework does not need them.

Change-Id: I165766073ba70aceead88c3df02d62f3700e4592
Fix: 36474747
Fix: 34573952
Test: run existing tests

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

@@ -597,8 +597,6 @@ public class PrintSettingsFragment extends ProfileSettingsPreferenceFragment
                     data = new SearchIndexableRaw(context);
                     data.key = componentName.flattenToString();
                     data.title = service.getResolveInfo().loadLabel(packageManager).toString();
-                    data.summaryOn = context.getString(R.string.print_feature_state_on);
-                    data.summaryOff = context.getString(R.string.print_feature_state_off);
                     data.screenTitle = screenTitle;
                     indexables.add(data);
                 }