Fix the ReallocSmallerToLargerTest test

Author: tannergooding

src/libraries/System.Runtime.InteropServices/tests/System/Runtime/InteropServices/NativeMemoryTests.cs

@@ -433,7 +433,7 @@ public void ReallocSmallerToLargerTest()
                 Assert.True(((byte*)newPtr)[i] == i);
             }
 
-            NativeMemory.AlignedFree(newPtr);
+            NativeMemory.Free(newPtr);
         }
     }
 }