Making UIManager not implement JSIModule (#42061)

Summary:
Pull Request resolved: #42061

For removal of JSIModule getting rid of the inheritance relationship b/w interfaces UIManager & JSIModule by directly defining `initialize()` and `invalidate()`

Changelog:
[Internal] internal

Reviewed By: philIip, mdvacca

Differential Revision: D49306312

fbshipit-source-id: 041870418e13bb4b2381e609b94331c87be5f6fa

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/bridge/UIManager.java

@@ -15,7 +15,7 @@
 import androidx.annotation.UiThread;
 import com.facebook.infer.annotation.ThreadConfined;
 
-public interface UIManager extends JSIModule, PerformanceCounter {
+public interface UIManager extends PerformanceCounter {
 
   /** Registers a new root view. @Deprecated call startSurface instead */
   @UiThread
@@ -151,4 +151,10 @@ void updateRootLayoutSpecs(
   @Deprecated
   @Nullable
   String resolveCustomDirectEventName(@Nullable String eventName);
+
+  /** This method is called after {@link ReactApplicationContext} has been created. */
+  void initialize();
+
+  /** Called before React Native instance is destroyed. */
+  void invalidate();
 }