Fix Java PersonalDataManagerTest flake.

chrome/browser/autofill/android/personal_data_manager_android.h

Index: chrome/browser/autofill/android/personal_data_manager_android.h
diff --git a/chrome/browser/autofill/android/personal_data_manager_android.h b/chrome/browser/autofill/android/personal_data_manager_android.h
index ad8f0257f474b94c3dbfb8e7346afcaf46c19c85..a1b74730c2de34670d477820e50c8b3e34459555 100644
--- a/chrome/browser/autofill/android/personal_data_manager_android.h
+++ b/chrome/browser/autofill/android/personal_data_manager_android.h
@@ -20,6 +20,11 @@ class PersonalDataManagerAndroid : public PersonalDataManagerObserver {
  public:
   PersonalDataManagerAndroid(JNIEnv* env, jobject obj);
 
+  // Returns true if personal data manager has loaded the initial data.
+  jboolean IsDataLoaded(
+      JNIEnv* env,
+      const base::android::JavaParamRef<jobject>& unused_obj) const;
+
   // These functions act on "web profiles" aka "LOCAL_PROFILE" profiles.
   // -------------------------