Support OUT_DIR for license graph.

Bug: 226066987

Test: OUT_DIR=/tmp/outdir m all listshare checkshare htmlnotice rtrace dumpgraph dumpresolutions compliancenotice_bom compliancenotice_shippedlibs
Test: OUT_DIR=/tmp/outdir m /tmp/outdir/target/product/bonito/obj/NOTICE.xml.gz
Test: m all listshare checkshare htmlnotice rtrace dumpgraph dumpresolutions compliancenotice_bom compliancenotice_shippedlibs
Test: m out/target/product/bonito/obj/NOTICE.xml.gz

Change-Id: I6282c647a389c5935d5ce7c79193f86d32c76365
diff --git a/tools/compliance/cmd/htmlnotice/htmlnotice.go b/tools/compliance/cmd/htmlnotice/htmlnotice.go
index ffb0585..e98b272 100644
--- a/tools/compliance/cmd/htmlnotice/htmlnotice.go
+++ b/tools/compliance/cmd/htmlnotice/htmlnotice.go
@@ -141,7 +141,7 @@
 
 	var deps []string
 
-	ctx := &context{ofile, os.Stderr, os.DirFS("."), *includeTOC, *product, *stripPrefix, *title, &deps}
+	ctx := &context{ofile, os.Stderr, compliance.FS, *includeTOC, *product, *stripPrefix, *title, &deps}
 
 	err := htmlNotice(ctx, flag.Args()...)
 	if err != nil {