8005549: build-infra: Merge NewMakefile.gmk and common/makefiles/Makefile

Reviewed-by: ohair, tbell

makefiles/BuildJdk.gmk

@@ -88,16 +88,15 @@ demos:
 # into packages, or installed.
 images:
 	+$(MAKE) -f CreateJars.gmk
-	+$(MAKE) -f Images.gmk 
+	+$(MAKE) -f Images.gmk
+ifeq ($(OPENJDK_TARGET_OS), macosx)
+	+$(MAKE) -f Bundles.gmk
+endif
 
 overlay-images:
 	+$(MAKE) -f CompileLaunchers.gmk OVERLAY_IMAGES=true
 	+$(MAKE) -f Images.gmk overlay-images
 
-# Create platform specific image layouts
-bundles:
-	+$(MAKE) -f Bundles.gmk
-
 BINARIES:=$(notdir $(wildcard $(IMAGES_OUTPUTDIR)/j2sdk-image/bin/*))
 INSTALLDIR:=openjdk-$(RELEASE)