title: Field currentActivity or type signature not found
body: <p>I am using unity 2019.4.24f1 and unity remote 5 app connected with USB.</p>
  <pre><code>var javaUnityPlayer = new AndroidJavaClass(&quot;com.unity3d.player.UnityPlayer&quot;);
  var currentActivity = javaUnityPlayer.GetStatic&lt;AndroidJavaObject&gt;(&quot;currentActivity&quot;);
  </code></pre>
  <p>This error is thrown from <code>currentActivity</code> line.</p>
  <pre><code>Exception: Field currentActivity or type signature  not found
  UnityEngine._AndroidJNIHelper.GetFieldID (System.IntPtr jclass, System.String fieldName, System.String signature, System.Boolean isStatic) (at /Users/bokken/buildslave/unity/build/Modules/AndroidJNI/AndroidJava.cs:1448)
  UnityEngine.AndroidJNIHelper.GetFieldID (System.IntPtr javaClass, System.String fieldName, System.String signature, System.Boolean isStatic) (at /Users/bokken/buildslave/unity/build/Modules/AndroidJNI/AndroidJNI.bindings.cs:79)
  UnityEngine._AndroidJNIHelper.GetFieldID[ReturnType] (System.IntPtr jclass, System.String fieldName, System.Boolean isStatic) (at /Users/bokken/buildslave/unity/build/Modules/AndroidJNI/AndroidJava.cs:1361)
  UnityEngine.AndroidJNIHelper.GetFieldID[FieldType] (System.IntPtr jclass, System.String fieldName, System.Boolean isStatic) (at /Users/bokken/buildslave/unity/build/Modules/AndroidJNI/AndroidJNI.bindings.cs:172)
  UnityEngine.AndroidJavaObject._GetStatic[FieldType] (System.String fieldName) (at /Users/bokken/buildslave/unity/build/Modules/AndroidJNI/AndroidJava.cs:664)
  UnityEngine.AndroidJavaObject.GetStatic[FieldType] (System.String fieldName) (at /Users/bokken/buildslave/unity/build/Modules/AndroidJNI/AndroidJava.cs:274)
  </code></pre>