Avoid server stacktraces on close

On close, the socket is closed by the client, and the server process is
killed.

This leads to (expected) exceptions, that should not be printed.

server/src/main/java/com/genymobile/scrcpy/ScrCpyServer.java

@@ -1,6 +1,7 @@
 package com.genymobile.scrcpy;
 
 import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
 
 public final class ScrCpyServer {
 
@@ -20,7 +21,7 @@ public final class ScrCpyServer {
                 // synchronous
                 screenEncoder.streamScreen(device, connection.getOutputStream());
             } catch (IOException e) {
-                Ln.e("Screen streaming interrupted", e);
+                Ln.w("Screen streaming stopped");
             }
         }
     }
@@ -32,7 +33,7 @@ public final class ScrCpyServer {
                 try {
                     new EventController(device, connection).control();
                 } catch (IOException e) {
-                    Ln.e("Exception from event controller", e);
+                    Ln.w("Event controller stopped");
                 }
             }
         }).start();
@@ -60,6 +61,13 @@ public final class ScrCpyServer {
         Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
             @Override
             public void uncaughtException(Thread t, Throwable e) {
+                if (e instanceof AssertionError && e.getCause() instanceof InvocationTargetException) {
+                    // WORKAROUND
+                    // When we call a method of the framework by reflection, it may throw an InvocationTargetException
+                    // (that we wrap into an AssertionError) if this process is being killed.
+                    // To avoid the stacktrace on close, do not log these errors.
+                    return;
+                }
                 Ln.e("Exception on thread " + t, e);
             }
         });