Move global asflags to config to share with Bazel

Test: CI
Change-Id: Ib76bd63f9d021f581b232522d1206d968d7b1599
diff --git a/cc/cc_test.go b/cc/cc_test.go
index 38f6383..6c08ac4 100644
--- a/cc/cc_test.go
+++ b/cc/cc_test.go
@@ -4076,7 +4076,7 @@
 		{
 			name:     "assemble",
 			src:      "foo.s",
-			expected: combineSlices(baseExpectedFlags, []string{"-D__ASSEMBLY__", "-fdebug-default-version=4"}, expectedIncludes, lastIncludes),
+			expected: combineSlices(baseExpectedFlags, []string{"${config.CommonGlobalAsflags}"}, expectedIncludes, lastIncludes),
 		},
 	}