Keep the earliest pending video cleanup retry instead of postponing it twice

tools/chatgui-android/app/src/main/java/com/utun/chat/data/CallVideoPlayer.kt

@@ -28,7 +28,9 @@ internal class CallVideoPlayer(private val id: Long, private val failure: (Strin
     private var playout = 0L
     private val cleanupHandler = Handler(Looper.getMainLooper())
     private var cleanupDelay = 250L
+    private var cleanupScheduled = false
     private val cleanupRetry = Runnable {
+        synchronized(this) { cleanupScheduled = false }
         try { stop() } catch (e: Exception) { LogManager.addLog("WARN", "call", "video RX cleanup retry pending call=$id: $e") }
     }
     private data class Presentation(val surface: Surface, val pts: Long, val at: Long = 0)
@@ -113,16 +115,22 @@ internal class CallVideoPlayer(private val id: Long, private val failure: (Strin
     }
 
     private fun scheduleCleanup() {
-        cleanupHandler.removeCallbacks(cleanupRetry)
         if (!worker.isAlive && decoder == null && playout == 0L && ownedOutputs.isEmpty()) {
+            cleanupHandler.removeCallbacks(cleanupRetry); cleanupScheduled = false
             if (retained.remove(this)) LogManager.addLog("INFO", "call", "video RX cleanup confirmed call=$id")
             cleanupDelay = 250
             return
         }
         retained.add(this)
-        val delay = cleanupDelay; cleanupDelay = (cleanupDelay * 2).coerceAtMost(30_000)
-        if (!cleanupHandler.postDelayed(cleanupRetry, delay))
+        if (cleanupScheduled) return
+        val delay = cleanupDelay
+        cleanupScheduled = cleanupHandler.postDelayed(cleanupRetry, delay)
+        if (!cleanupScheduled) {
             LogManager.addLog("ERROR", "call", "video RX cleanup retry rejected call=$id; owner retained delayMs=$delay")
+        } else {
+            cleanupDelay = (cleanupDelay * 2).coerceAtMost(30_000)
+            LogManager.addLog("DEBUG", "call", "video RX cleanup scheduled call=$id delayMs=$delay")
+        }
     }
 
     private fun reportFailure(detail: String) {