[Safer intents] Settings misc

To avoid implicit intents, make intents launch explicitly.

Test: build
Bug: 323061508
Change-Id: Ie19cbceb89842a75a180898abcce81b63c18d46c

src/com/android/settings/accessibility/LiveCaptionPreferenceController.java

@@ -39,6 +39,7 @@ public class LiveCaptionPreferenceController extends BasePreferenceController {
     public LiveCaptionPreferenceController(Context context, String preferenceKey) {
         super(context, preferenceKey);
         mPackageManager = context.getPackageManager();
+        LIVE_CAPTION_INTENT.setPackage(mPackageManager.getSystemCaptionsServicePackageName());
     }
 
     @Override