Move LayerHistoryV2 to LayerHistory

The old class LayerHistory (content detection v1) no longer exists
so LayerHisotryV2 can take its place.

Bug: 174120566
Test: presubmit
Change-Id: I84f33255b04ab082bbc5ae6e3ae4d7a793bfcd14
diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
index af28c9d..7427e27 100644
--- a/services/surfaceflinger/tests/unittests/Android.bp
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -47,7 +47,7 @@
         "FrameTimelineTest.cpp",
         "HWComposerTest.cpp",
         "OneShotTimerTest.cpp",
-        "LayerHistoryTestV2.cpp",
+        "LayerHistoryTest.cpp",
         "LayerMetadataTest.cpp",
         "MessageQueueTest.cpp",
         "PromiseTest.cpp",