Fix crash when trying to dismiss dialog

Calling Dialog.dismiss() requires a safe condition, including that
dialog is shown，and activity is neither finishing nor destroying, so we
should add a precondition check here to avoid crash.

Bug: 248562161
Test: manual and atest
Change-Id: I87de2cd05680815d4bb4e80ac1e0d6e2e4a685f7

packages/SystemUI/src/com/android/systemui/controls/ui/ControlActionCoordinatorImpl.kt

@@ -18,6 +18,7 @@ package com.android.systemui.controls.ui
 
 import android.annotation.AnyThread
 import android.annotation.MainThread
+import android.app.Activity
 import android.app.AlertDialog
 import android.app.Dialog
 import android.app.PendingIntent
@@ -85,8 +86,16 @@ class ControlActionCoordinatorImpl @Inject constructor(
     }
 
     override fun closeDialogs() {
-        dialog?.dismiss()
-        dialog = null
+        val isActivityFinishing =
+            (activityContext as? Activity)?.let { it.isFinishing || it.isDestroyed }
+        if (isActivityFinishing == true) {
+            dialog = null
+            return
+        }
+        if (dialog?.isShowing == true) {
+            dialog?.dismiss()
+            dialog = null
+        }
     }
 
     override fun toggle(cvh: ControlViewHolder, templateId: String, isChecked: Boolean) {