chore: add TODO for Android 15 targetting

Author: timschneeb

app/src/main/java/me/timschneeberger/rootlessjamesdsp/receiver/BootCompletedReceiver.kt

@@ -46,6 +46,18 @@ class BootCompletedReceiver : BroadcastReceiver(), KoinComponent {
             // Root version: if enhanced processing mode is on, we need to start the service manually
             if(preferences.get<Boolean>(R.string.key_audioformat_enhanced_processing) &&
                 !preferences.get<Boolean>(R.string.key_audioformat_processing)) {
+
+                /*
+                    FIXME: When targetting Android 15+, we are not allowed to start a
+                           media_playback/media_projection foreground service from a BOOT_COMPLETED receiver.
+
+                           Possible solutions:
+                            - Also use EngineLauncherActivity for this.
+                              Downside: requires SYSTEM_ALERT_WINDOW permission for the root build
+                            - Better: Use the special use FGS type instead of media_playback for the root service.
+
+                           Ref: https://developer.android.com/about/versions/15/behavior-changes-15#fgs-sysalert
+                 */
                 RootAudioProcessorService.startServiceEnhanced(context)
             }
             else if(preferences.get<Boolean>(R.string.key_audioformat_processing))