Add test annotations to Luts readback test case


Bug: 377944262
Change-Id: Ic8531ba6cc699e34f9c01def4ae8d58592f2bb20
Test: n/a just a comment
diff --git a/graphics/composer/aidl/vts/VtsHalGraphicsComposer3_ReadbackTest.cpp b/graphics/composer/aidl/vts/VtsHalGraphicsComposer3_ReadbackTest.cpp
index f81289a..350309a 100644
--- a/graphics/composer/aidl/vts/VtsHalGraphicsComposer3_ReadbackTest.cpp
+++ b/graphics/composer/aidl/vts/VtsHalGraphicsComposer3_ReadbackTest.cpp
@@ -543,6 +543,7 @@
     luts->lutProperties = {LutProperties{dimension, size, {key}}};
 }
 
+// @VsrTest = 4.4-016
 TEST_P(GraphicsCompositionTest, Luts) {
     ASSERT_TRUE(
             mComposerClient->setClientTargetSlotCount(getPrimaryDisplayId(), kClientTargetSlotCount)