SurfaceFlinger: Remove deferTransactionUntil

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Bug: 168505645
Change-Id: I81725bf3c0ef4704e9da25da9a75854b4f172885
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp
index abecd4b..9c6ad06 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp
@@ -118,11 +118,8 @@
 }
 
 void RefreshRateSelectionTest::commitTransaction(Layer* layer) {
-    layer->pushPendingState();
     auto c = layer->getCurrentState();
-    if (layer->applyPendingStates(&c)) {
-        layer->commitTransaction(c);
-    }
+    layer->commitTransaction(c);
 }
 
 void RefreshRateSelectionTest::setupScheduler() {