Set the shutdown flag before killing the reader

app/src/main/java/com/limelight/binding/input/evdev/EvdevHandler.java

@@ -156,6 +156,9 @@ public class EvdevHandler {
         // we could get stuck waiting on output from the process
         // in order to terminate it.
 
+        shutdown = true;
+        handlerThread.interrupt();
+
         if (evdevIn != null) {
             try {
                 evdevIn.close();
@@ -176,9 +179,6 @@ public class EvdevHandler {
             reader.destroy();
         }
 
-        shutdown = true;
-        handlerThread.interrupt();
-
         try {
             handlerThread.join();
         } catch (InterruptedException ignored) {}