CHANGE: Add AndroidDeviceCapabilities.vibratorCount (#2410)

Author: todi1856

Packages/com.unity.inputsystem/InputSystem/Plugins/Android/AndroidGameController.cs

@@ -117,6 +117,7 @@ internal struct AndroidDeviceCapabilities
         public bool isVirtual;
         public AndroidAxis[] motionAxes;
         public AndroidInputSource inputSources;
+        public int vibratorCount;
 
         public string ToJson()
         {
@@ -132,8 +133,19 @@ public static AndroidDeviceCapabilities FromJson(string json)
 
         public override string ToString()
         {
-            return
-                $"deviceDescriptor = {deviceDescriptor}, productId = {productId}, vendorId = {vendorId}, isVirtual = {isVirtual}, motionAxes = {(motionAxes == null ? "<null>" : String.Join(",", motionAxes.Select(i => i.ToString()).ToArray()))}, inputSources = {inputSources}";
+            var motionAxesString = motionAxes == null ? "<null>" : string.Join(",", motionAxes);
+            var entries = new[]
+            {
+                $"deviceDescriptor = {deviceDescriptor}",
+                $"productId = {productId}",
+                $"vendorId = {vendorId}",
+                $"isVirtual = {isVirtual}",
+                $"motionAxes = {motionAxesString}",
+                $"inputSources = {inputSources}",
+                $"vibratorCount = {vibratorCount}"
+            };
+
+            return string.Join(", ", entries);
         }
     }
 }