[Safer intents] Settings misc

To avoid implicit intents, make intents launch explicitly.

Test: build
Bug: 323061508
Change-Id: Ie19cbceb89842a75a180898abcce81b63c18d46c

src/com/android/settings/RingtonePreference.java

@@ -74,7 +74,8 @@ public class RingtonePreference extends Preference {
                 true);
         mShowSilent = a.getBoolean(com.android.internal.R.styleable.RingtonePreference_showSilent,
                 true);
-        setIntent(new Intent(RingtoneManager.ACTION_RINGTONE_PICKER));
+        setIntent(new Intent(RingtoneManager.ACTION_RINGTONE_PICKER)
+                .setPackage(context.getString(R.string.config_sound_picker_package_name)));
         setUserId(UserHandle.myUserId());
         a.recycle();
     }