VEA unittest: fix cache line-alignment test hang issue

media/gpu/video_encode_accelerator_unittest.cc

Index: media/gpu/video_encode_accelerator_unittest.cc
diff --git a/media/gpu/video_encode_accelerator_unittest.cc b/media/gpu/video_encode_accelerator_unittest.cc
index 9d9f5a4844ace3091fb5e3bb68c76bef3349f680..edb7e00788adc66428a541d03b80aee6872971ba 100644
--- a/media/gpu/video_encode_accelerator_unittest.cc
+++ b/media/gpu/video_encode_accelerator_unittest.cc
@@ -2113,7 +2113,11 @@ void SimpleTestFunc() {
                                           CS_FINISHED};
 
   for (const auto& state : state_transitions) {
-    EXPECT_EQ(state, note->Wait());
+    ClientState wait_state = note->Wait();
+    EXPECT_EQ(state, wait_state);
+    if (state != wait_state) {
+      break;
+    }
   }
 
   encoder_thread.task_runner()->PostTask(