Fix Java PersonalDataManagerTest flake.

chrome/browser/autofill/android/personal_data_manager_android.cc

Index: chrome/browser/autofill/android/personal_data_manager_android.cc
diff --git a/chrome/browser/autofill/android/personal_data_manager_android.cc b/chrome/browser/autofill/android/personal_data_manager_android.cc
index c05ce41f23bb05b2350ee54f6a789784681dda59..f50925c52990430d43e71308a3e546b9ff3e8a0f 100644
--- a/chrome/browser/autofill/android/personal_data_manager_android.cc
+++ b/chrome/browser/autofill/android/personal_data_manager_android.cc
@@ -317,6 +317,12 @@ PersonalDataManagerAndroid::~PersonalDataManagerAndroid() {
   personal_data_manager_->RemoveObserver(this);
 }
 
+jboolean PersonalDataManagerAndroid::IsDataLoaded(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jobject>& unused_obj) const {
+  return personal_data_manager_->IsDataLoaded();
+}
+
 ScopedJavaLocalRef<jobjectArray>
 PersonalDataManagerAndroid::GetProfileGUIDsForSettings(
     JNIEnv* env,