8202557: OpenJDK fails to start in Windows 7 and 8.1 after upgrading compiler to VC 2017

Reviewed-by: tbell, erikj

make/CopyFiles.gmk

@@ -269,6 +269,15 @@ ifeq ($(OPENJDK_TARGET_OS), windows)
       MACRO := copy-and-chmod))
 
   COPY_FILES += $(COPY_MSVCR) $(COPY_MSVCP)
+
+  ifneq ($(UCRT_DLL_DIR), )
+    $(eval $(call SetupCopyFiles,COPY_UCRT_DLLS, \
+        DEST := $(JDK_OUTPUTDIR)/bin, \
+        FILES := $(wildcard $(UCRT_DLL_DIR)/*.dll), \
+        MACRO := copy-and-chmod \
+    ))
+    COPY_FILES += $(COPY_UCRT_DLLS)
+  endif
 endif
 
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