Add platform lifecycle callbacks to CameraServer base class

platform/android/java/lib/src/main/java/org/godotengine/godot/Godot.kt

@@ -766,7 +766,7 @@ class Godot private constructor(val context: Context) {
 
 		if (currentConfig.orientation != newConfig.orientation) {
 			runOnRenderThread {
-				GodotLib.onScreenRotationChange()
+				GodotLib.onScreenRotationChange(newConfig.orientation)
 			}
 		}
 		currentConfig = newConfig

platform/android/java/lib/src/main/java/org/godotengine/godot/GodotLib.java

@@ -297,8 +297,9 @@ public class GodotLib {
 
 	/**
 	 * Invoked when the screen orientation changes.
+	 * @param orientation the new screen orientation
 	 */
-	static native void onScreenRotationChange();
+	static native void onScreenRotationChange(int orientation);
 
 	/**
 	 * @return true if input must be dispatched from the render thread. If false, input is