Android: inverse LandscapeLeft and LandscapeRight (see #6959)

LandscapeLeft has now been set to ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE and LandscapeRight to ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE in order to reflect the docs: https://wiki.libsdl.org/SDL2/SDL_HINT_ORIENTATIONS

android-project/app/src/main/java/org/libsdl/app/SDLActivity.java

@@ -971,9 +971,9 @@ public class SDLActivity extends Activity implements View.OnSystemUiVisibilityCh
         /* If set, hint "explicitly controls which UI orientations are allowed". */
         if (hint.contains("LandscapeRight") && hint.contains("LandscapeLeft")) {
             orientation_landscape = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
-        } else if (hint.contains("LandscapeRight")) {
-            orientation_landscape = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
         } else if (hint.contains("LandscapeLeft")) {
+            orientation_landscape = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
+        } else if (hint.contains("LandscapeRight")) {
             orientation_landscape = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
         }