[gn build] Port 6871657

Author: llvmgnsyncbot

llvm/utils/gn/secondary/llvm/unittests/ADT/BUILD.gn

@@ -26,6 +26,7 @@ unittest("ADTTests") {
     "CoalescingBitVectorTest.cpp",
     "CombinationGeneratorTest.cpp",
     "ConcurrentHashtableTest.cpp",
+    "CountCopyAndMove.cpp",
     "DAGDeltaAlgorithmTest.cpp",
     "DeltaAlgorithmTest.cpp",
     "DenseMapTest.cpp",
@@ -60,7 +61,6 @@ unittest("ADTTests") {
     "LazyAtomicPointerTest.cpp",
     "MapVectorTest.cpp",
     "MappedIteratorTest.cpp",
-    "MoveOnly.cpp",
     "PackedVectorTest.cpp",
     "PagedVectorTest.cpp",
     "PointerEmbeddedIntTest.cpp",