Try new methods before legacy ones

Use the legacy methods when the new ones do not exist.

server/src/main/java/com/genymobile/scrcpy/wrappers/WindowManager.java

@@ -14,11 +14,12 @@ public final class WindowManager {
         try {
             Class<?> cls = manager.getClass();
             try {
-                return (Integer) cls.getMethod("getRotation").invoke(manager);
-            } catch (NoSuchMethodException e) {
                 // method changed since this commit:
                 // https://android.googlesource.com/platform/frameworks/base/+/8ee7285128c3843401d4c4d0412cd66e86ba49e3%5E%21/#F2
                 return (Integer) cls.getMethod("getDefaultDisplayRotation").invoke(manager);
+            } catch (NoSuchMethodException e) {
+                // old version
+                return (Integer) cls.getMethod("getRotation").invoke(manager);
             }
         } catch (Exception e) {
             throw new AssertionError(e);
@@ -29,11 +30,12 @@ public final class WindowManager {
         try {
             Class<?> cls = manager.getClass();
             try {
-                cls.getMethod("watchRotation", IRotationWatcher.class).invoke(manager, rotationWatcher);
-            } catch (NoSuchMethodException e) {
                 // display parameter added since this commit:
                 // https://android.googlesource.com/platform/frameworks/base/+/35fa3c26adcb5f6577849fd0df5228b1f67cf2c6%5E%21/#F1
                 cls.getMethod("watchRotation", IRotationWatcher.class, int.class).invoke(manager, rotationWatcher, 0);
+            } catch (NoSuchMethodException e) {
+                // old version
+                cls.getMethod("watchRotation", IRotationWatcher.class).invoke(manager, rotationWatcher);
             }
         } catch (Exception e) {
             throw new AssertionError(e);