Hide services in Device

Expose useful methods directly in Device, without exposing the service
managers.

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

@@ -4,9 +4,8 @@ import android.graphics.Point;
 import android.os.Build;
 import android.os.RemoteException;
 import android.view.IRotationWatcher;
+import android.view.InputEvent;
 
-import com.genymobile.scrcpy.wrappers.InputManager;
-import com.genymobile.scrcpy.wrappers.PowerManager;
 import com.genymobile.scrcpy.wrappers.ServiceManager;
 
 public final class Device {
@@ -90,12 +89,12 @@ public final class Device {
         return Build.MODEL;
     }
 
-    public InputManager getInputManager() {
-        return serviceManager.getInputManager();
+    public boolean injectInputEvent(InputEvent inputEvent, int mode) {
+        return serviceManager.getInputManager().injectInputEvent(inputEvent, mode);
     }
 
-    public PowerManager getPowerManager() {
-        return serviceManager.getPowerManager();
+    public boolean isScreenOn() {
+        return serviceManager.getPowerManager().isScreenOn();
     }
 
     public void registerRotationWatcher(IRotationWatcher rotationWatcher) {

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

@@ -9,15 +9,12 @@ import android.view.KeyEvent;
 import android.view.MotionEvent;
 
 import com.genymobile.scrcpy.wrappers.InputManager;
-import com.genymobile.scrcpy.wrappers.PowerManager;
 
 import java.io.IOException;
 
 public class EventController {
 
     private final Device device;
-    private final InputManager inputManager;
-    private final PowerManager powerManager;
     private final DesktopConnection connection;
 
     private final KeyCharacterMap charMap = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD);
@@ -29,8 +26,6 @@ public class EventController {
     public EventController(Device device, DesktopConnection connection) {
         this.device = device;
         this.connection = connection;
-        inputManager = device.getInputManager();
-        powerManager = device.getPowerManager();
         initPointer();
 
         // on start, turn screen on
@@ -153,11 +148,11 @@ public class EventController {
     }
 
     private boolean injectEvent(InputEvent event) {
-        return inputManager.injectInputEvent(event, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
+        return device.injectInputEvent(event, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
     }
 
     private boolean turnScreenOn() {
-        return powerManager.isScreenOn() || injectKeycode(KeyEvent.KEYCODE_POWER);
+        return device.isScreenOn() || injectKeycode(KeyEvent.KEYCODE_POWER);
     }
 
     private boolean executeCommand(int action) {