Begin inverting dependency between new+old bridge

Reviewed By: mhorowitz

Differential Revision: D3306510

fbshipit-source-id: 312a498a4461e980f1f749fe7858a13be14dfa2f

ReactAndroid/src/main/java/com/facebook/react/XReactInstanceManager.java

@@ -14,56 +14,9 @@ import com.facebook.react.uimanager.UIImplementationProvider;
 
 public abstract class XReactInstanceManager {
   /**
-   * Creates a builder that is capable of creating an instance of {@link XReactInstanceManagerImpl}.
+   * Creates a builder that is defaulted to using the new bridge.
    */
-  public static Builder builder() {
-    return new Builder();
-  }
-
-  /**
-   * Builder class for {@link XReactInstanceManagerImpl}
-   */
-  public static class Builder extends ReactInstanceManager.Builder {
-    /**
-     * Instantiates a new {@link ReactInstanceManagerImpl}.
-     * Before calling {@code build}, the following must be called:
-     * <ul>
-     * <li> {@link #setApplication}
-     * <li> {@link #setCurrentActivity} if the activity has already resumed
-     * <li> {@link #setDefaultHardwareBackBtnHandler} if the activity has already resumed
-     * <li> {@link #setJSBundleFile} or {@link #setJSMainModuleName}
-     * </ul>
-     */
-    public ReactInstanceManager build() {
-      Assertions.assertCondition(
-          mUseDeveloperSupport || mJSBundleFile != null,
-          "JS Bundle File has to be provided when dev support is disabled");
-
-      Assertions.assertCondition(
-          mJSMainModuleName != null || mJSBundleFile != null,
-          "Either MainModuleName or JS Bundle File needs to be provided");
-
-      if (mUIImplementationProvider == null) {
-        // create default UIImplementationProvider if the provided one is null.
-        mUIImplementationProvider = new UIImplementationProvider();
-      }
-
-      return new XReactInstanceManagerImpl(
-          Assertions.assertNotNull(
-              mApplication,
-              "Application property has not been set with this builder"),
-          mCurrentActivity,
-          mDefaultHardwareBackBtnHandler,
-          mJSBundleFile,
-          mJSMainModuleName,
-          mPackages,
-          mUseDeveloperSupport,
-          mBridgeIdleDebugListener,
-          Assertions.assertNotNull(mInitialLifecycleState, "Initial lifecycle state was not set"),
-          mUIImplementationProvider,
-          mNativeModuleCallExceptionHandler,
-          mJSCConfig,
-          mRedBoxHandler);
-    }
+  public static ReactInstanceManager.Builder builder() {
+    return new ReactInstanceManager.Builder().setUseNewBridge();
   }
 }