Rename RefreshRateSelectionTest.cpp

It is too similar to RefreshRateSelector.cpp which is annoying :)

Change-Id: I7960b2f5fe30806ee1d5bf31fc6fd46757a9529e
Test: presubmit
diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
index d88da4d..2a373be 100644
--- a/services/surfaceflinger/tests/unittests/Android.bp
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -85,6 +85,7 @@
         "FpsTest.cpp",
         "FramebufferSurfaceTest.cpp",
         "FrameRateOverrideMappingsTest.cpp",
+        "FrameRateSelectionPriorityTest.cpp",
         "FrameTimelineTest.cpp",
         "GameModeTest.cpp",
         "HWComposerTest.cpp",
@@ -112,7 +113,6 @@
         "SchedulerTest.cpp",
         "SetFrameRateTest.cpp",
         "RefreshRateSelectorTest.cpp",
-        "RefreshRateSelectionTest.cpp",
         "RefreshRateStatsTest.cpp",
         "RegionSamplingTest.cpp",
         "TimeStatsTest.cpp",