refactor: implement `ServiceCompat.startForeground` with error handling

- replaces `Service.startForeground` with `ServiceCompat.startForeground` with support for different API levels;
- adds try-catch block to handle exceptions and report errors if startForeground fails.

references:
- https://issuetracker.google.com/issues/307329994
- https://developer.android.com/develop/background-work/services/foreground-services#start

app/src/main/java/com/geeksville/mesh/service/MeshService.kt

@@ -293,14 +293,20 @@ class MeshService : Service(), Logging {
         // but if we don't really need foreground we immediately stop it.
         val notification = serviceNotifications.createServiceStateNotification(notificationSummary)
 
-        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
-            startForeground(
+        try {
+            ServiceCompat.startForeground(
+                this,
                 serviceNotifications.notifyId,
                 notification,
-                ServiceInfo.FOREGROUND_SERVICE_TYPE_MANIFEST
+                if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
+                    ServiceInfo.FOREGROUND_SERVICE_TYPE_CONNECTED_DEVICE
+                } else {
+                    0
+                },
             )
-        } else {
-            startForeground(serviceNotifications.notifyId, notification)
+        } catch (ex: Exception) {
+            errormsg("startForeground failed", ex)
+            return START_NOT_STICKY
         }
         return if (!wantForeground) {
             ServiceCompat.stopForeground(this, ServiceCompat.STOP_FOREGROUND_REMOVE)