Reset ReactInstanceManager state on failure to allow retries (#32901)

Summary:
This fixes #32898 by reseting ReactInstanceManager state when `createReactContext` throws. By resetting the state, we allow future attempts at creating the React context.

## Changelog

[Android] [Fixed] - Fixed empty screen after retrying a BundleDownloader failure in dev mode

Pull Request resolved: #32901

Test Plan: Go through the steps to reproduce listed in #32898 and see that the React Native application starts.

Reviewed By: cortinico

Differential Revision: D33634178

Pulled By: ShikaSD

fbshipit-source-id: e54d12d5f33c9c7c0ca213113871b88c2f1dc261

Author: samkline

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

@@ -1103,14 +1103,22 @@ public void run() {
                 // create
                 mHasStartedCreatingInitialContext = true;
 
+                final ReactApplicationContext reactApplicationContext;
                 try {
                   Process.setThreadPriority(Process.THREAD_PRIORITY_DISPLAY);
                   ReactMarker.logMarker(VM_INIT);
-                  final ReactApplicationContext reactApplicationContext =
+                  reactApplicationContext =
                       createReactContext(
                           initParams.getJsExecutorFactory().create(),
                           initParams.getJsBundleLoader());
-
+                } catch (Exception e) {
+                  // Reset state and bail out. This lets us try again later.
+                  mHasStartedCreatingInitialContext = false;
+                  mCreateReactContextThread = null;
+                  mDevSupportManager.handleException(e);
+                  return;
+                }
+                try {
                   mCreateReactContextThread = null;
                   ReactMarker.logMarker(PRE_SETUP_REACT_CONTEXT_START);
                   final Runnable maybeRecreateReactContextRunnable =